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Observing Tool Tutorial
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This tutorial is intended for new users of the Observing Tool (OT) who need to prepare their Phase II observation details.
WARNING: This page refers to the pre-2012B OT. The 2012B OT introduced the use of Observation Templates that are described in several video tutorials.
The illustrated tutorial leads you step-by-step through the process starting with the Phase II "skeletons" distributed by Gemini Observatory, through defining telescope, guide star and instrument configurations and sequences, to submitting your completed Science Program. Other web pages in the OT section provide a reference guide for more advanced users.
The OT attempts to help you with this process by checking the Phase II for you, pointing out problems, and making suggestions for fixing them. Click here for more information about how this feature works.
If you can't find the information you are looking for, try the Gemini web search engine. If that fails, submit a query to the HelpDesk where it will be dealt with promptly.
Conventions and icons used in this tutorial are as follows:
|normal font
|Description of the steps in the process
|bold font
|Emphasized text
|italic font
|Menu item, button or other interactive feature of the user interface
|Key terminology. The term is defined in a highlighted box near when it is first used.
|Useful tip
|Important or cautionary note
|Asides and links to detailed information on other OT web pages
|Thumbnail image illustrating a particular step in the process. When available (image is surrounded by a blue box), click on the image to see a larger version.
|Step 0 - Before you start
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If you have not already done so, download and install the current version of the Observing Tool.
There are supported versions of the OT available for Windows, Solaris, Linux, and Mac OS X operating systems. If using the Solaris version, please ensure that you have the necessary patches to run Java 1.6 on your workstation. If you run the OT under other operating systems, please let us know.
|See the OT installation page for installation instructions, links to the OT software on the ftp site and Solaris patches.
There are special instructions for the current semester which highlight any late-breaking news and give the deadlines for return of your completed Phase II Science Programs.
|Review the special instructions for this semester. If you are familiar with previous versions of the Observing Tool, the release notes summarize the changes from the previous public version.
|Step 1 - Fetch the Phase II Skeleton and OT Libraries
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Gemini Observatory staff generate a skeleton SCIENCE PROGRAM with information extracted from your approved Phase I proposal. Each successful Principal Investigator will be sent instructions on how to retrieve it from the Gemini site.
|Science program: a Science Program contains all of the information associated with one approved proposal. This includes the Phase I proposal itself and is developed during Phase II to include detailed definitions of the observations including telescope and instrument configurations and sequences, observing condition constraints, acquisition instructions, guide stars and calibrations. (In the future it will also include definition of the data processing sequence and links to the data).
PIs download and upload their Science Programs from a database at the Gemini site. Remote access to the database is via the Fetch item available from the welcome screen and the Science Program Editor File menu.
To retrieve a skeleton Science Program select fetch and the appropriate database (Gemini North or South) and enter the unique numerickey sent to you in your Gemini PI notification email and your Gemini Program ID number (in the example format GN-2003B-Q-56).
|You can export your Science Program as an XML file at any time. This is a convenient format for exchanging the working version with collaborators or for making backup copies. When you re-import the XML file, the OT recognises that a Science Program with the same name exists in your local database and prompts you whether to replace the previous version when the new one is loaded. See the OT saving and loading page for further information.
|You do not need to fetch from the Gemini Observing Database or import an XML file each time you run the OT. The Observing Tool maintains a database on your local disk in which it stores the current versions of your Science Programs as you work on them. However, once you have stored observations with status For Review then it is a good practice to fetch your program before making any changes.
This is also a good opportunity to fetch the OT libraries for the instruments that you are going to use. The libraries are sets of example observations, common configurations, and some standard stars. Many people find it easy to create their Phase II by pasting the templates from the libraries into their progams and then updating the targets, observing conditions, and sequence details.
|Step 2 - Review the Skeleton Science Program and Observation Info
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Having fetched the skeleton science program, it will be opened in a SCIENCE PROGRAM EDITOR window. (You can open a science program already in your localdatabase using the Open... or Open in New Window... items from the file menu. You can open multiple science programs at the same time).
|Science program editor: The science program editor is the main graphical user interface used to display and modify all of the details of your observations.
If text in the component editor overlaps other text or is overly compressed, click-and-drag the lower right corner of the science programeditor to resize it. You can also move the separator between the left and right-hand panels.
|Select the program title at the top of the science program tree to display top-level information such as PI contact details, the program title, Gemini reference information (e.g. program reference ID, NGO contact, Contact Scientist, queue band and program status), and the total allocated, planned, charged, and remaining times. The allocated times are also shown on the queue or classical summary web page. At the bottom of the screen are tabs giving the fetch/store history of the program and a facility for storing and fetching attachments like finding charts and mask design files (see below). Some of this information, such as the PI contact info, can be changed. (We will learn about editing the science program in the below).
|Click image for larger view
Expand (or contract) the hierarchical tree structure for an OBSERVATION by clicking onthe relevant expansion icon . As the observation is normally the smallest schedulable element, each new science target must be defined as a separate observation. Likewise, each observation in the observing sequence star-object-star-object... must be a separate observation. (We will return to calibration stars in step 13). There may be many observations within one science program.
|Observation: All the information needed to observe one target with a given instrument and set of constraints. Normally the scheduling element that corresponds to one telescope 'pointing'. Observations are self-contained and must include all necessary telescope, instrument and sequence information.
An observation is self-contained and must possess:
- a target component defining the base pointing position of the telescope and guide stars
- an instrument component defining the initial instrument configuration
- an observing conditions component defining the poorest conditions under which the observation can be executed
- an observe command that takes data
Optionally, and normally, an observationwill also include:
- a telescope (offset) iterator that defines dither, nod, mosaic or other patterns
- an instrument iterator that defines filter or other sequences
- a text note that provides scheduling, aquisition, or other clarifying text to the Gemini staff
Each aspect of the observation is definedin its own component or element.
The observations in your skeleton science program will typically contain a subset of the mandatory details extracted from your Phase I proposal. Normally this will be the observing conditions, the target position and any guide stars. In general, instrument details defined in Phase I will not appear in the skeleton observations as it is difficult in many cases to identify automatically which of the multiple configurations (filters, gratings, wavelengths etc) are to be associated with specific observations. (It is hoped to include a first approximation to the instrument configuration in the skeleton science program ina future release).
|To familiarize yourself with the layout and information content, select the observation, observing condition, target, (named) instrument and sequence components in turn by clicking on the name or icon of each in the science program editor. The right-hand panel of the editor will show the detailed information. Note how elements in the science program editor toolbar become active or are greyed out as you select different components in the observation. This is because an observation may have only one of each type of component (to avoid confusion by, say, defining the telescope position twice).
Will we learn how to modify the observation details in the next few steps ofthis tutorial. The skeleton observation also includes an (empty, for now) sequence folder.
|See more information on the individual science program elements and components.
|Step 3 - Setting the Observation Priority
(and saving/undoing any changes)
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|Select the top-most level of an observation. By default, in the skeleton science program these are labelled Observation (target_name) where target_name is the name of the target extracted from the Phase I proposal.
|When you first open a science program it may be opened in read-only mode. In this case, all of the components details are shown in light grey (or blue). You can toggle between read-only and edit modes using the button in the top-right corner of the science program editor.
The observation component editor shows top-level information such as the nameof the observation, the execution status of the observation and data (for use by Gemini staff) and observation priority. The ordering of the observations in the science program does not convey any prioritisation or preferred sequence. To indicate to the Gemini staff executing the queue the relative importance of observations within a program, you can use the low / medium / high priority buttons.
|Observations can be combined in groups to define a sequence order. This is illustrated in step 12; see also the discussion on ordering and execution priority for more information.
Every component editor has Save and Close buttons in the lower right. When you open the observation component for the first time, note that the Save button is greyed out. As an experiment, change the observation priority from its default Low state to High or Medium. The Save button is now active. Clicking Save will save this change to the local database.
|Unsaved changes are automatically saved whenever you select any other component or observation. (This takes some getting used to and is necessary because of the tight interaction between the Position Editor visualisation tool and observation definition in the science program editor). You can undo the auto-saved changes in the same way as if you had manually saved them. When you open a science program in the OT, the program chooser menu shows the date when the program was last modified (i.e. manually or auto-saved).
The Close button saves any changes and closes the science program.
|Step 4 - Modifying the Observing Condition Constraints
(and the change request process)
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|Select the OBSERVING CONDITIONS COMPONENT for an observation.
The relevance of the four conditions (sky background, image quality, cloud cover andwater vapor) depends on the wavelength and particular science of your observation. For example, the water vapor content is normally irrelevant for optical imaging or spectroscopy.
Each observing condition is defined by its frequency of occurrence. Thus the best image quality is the 20%-ile bin, and so forth. The meaning of the observing condition bins depends on wavelength. For example, the 20%-, 50%- and80%-ile near-IR (1-2.5um) sky brightness all have the same value (in magnitudes), whereas they have very different values at optical wavelengths.
|Observing Conditions Component: The Observing Conditions component defines the poorest conditions under which the observation can be executed.
|Remember, that if your constraints are very tight, then the chances of your observation being executed are correspondingly small. The four conditions are, to zeroth order, independent at most wavelengths and so the combined frequency of occurrence can be estimated simply by multiplying them e.g. less than 0.2% if you have a 20%-ile constraint for each condition.
|See the detailed observing condition constraints for the translation between %-ile bins and specific conditions as a function of wavelength.
In principle, the constraints may be changed by selecting the values from the menus. However any changes to your ITAC-approved science program may be reviewed by the Gemini Head of Science Operations for the appropriate telescope and major changes (e.g. changing to better observing conditions) may be discussed by the Science Operations Head and your ITAC representative. This is because changes may affect not only the likelihood of execution of your observations but also other observations in the queue and may alter the scientific and technical rationale behind the approved program. If you are considering making a significant change, it is worth while discussing it first with your Contact Scientist or National Gemini Office representative.
In general you are encouraged to relax your observing conditions as much as possible since this increases the chances that your program can be observed. This is especially important in the lower ranking bands, programs in Band 3 should consult the Advice for Band 3 PIs.
Starting in semester 2006B it is also possible to specify elevation and timing constraints. The elevation constraints are minimum and maximum airmass or hour angle. By default these are not set in order to maximize schedulability. Approval must be granted via the change request procedure before the elevation constraints can be modified. Be sure to justify the need for the elevation constaints. Also, before making the request be sure to use the elevation plot feature to check that the requested constraints are reasonable and allow the observation to be scheduled. Once approval has been granted then edit the constraint type and values as appropriate.
The timing window constraints can be added for any observations that must be observed at particular times. Timing window can be added by clicking Add below the Timing Windows box. Another window will pop up in which the starting UT date and time, the window duration, and whether the window repeats and with what period. Multiple sets of timing windows can be entered. The timing windows are the periods when the observation can be scheduled. An observation will only be scheduled in one of these windows. If an observation can only be done at one time, then the window should not repeat. Monitoring programs will need separate observations for each visit. If any observation within a scheduling group has timing contraints, then the contraints apply to the entire group. If observations within groups have different constraints, then the most restrictive set is used.
|The change request process is explained in more detail and examples of major and minor changes are given.
|Step 5 - View and Change Target (Base) Position
(and cutting, copying, pasting)
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Select an observation (any component will do). The image button on the science program editor toolbar opens the POSITION EDITOR window.
|Position editor: The position editor provides a graphical view of the observation and can interactively modify elements of it.
The position editor enables an image of the field around the target to be overlayed with available guide stars, wavefront sensor patrol field and vignetting, the instrument imaging or spectroscopic field of view, observation sequence information showing dither, chop, nod and mosaic patterns and much, much more.
|The position editor has many features, only some of which we will examine in this tutorial. See the position editor web pages for more detailed capabilities.
|When the position editor is opened for a new observation, there is no underlying image and the target base position is shown as a yellow earth symbol on a black background . To download an image, click the button labeled Images in the toolbar or select one of the Image Servers from the list in the position editor Catalog menu. An image will be retrieved from the server, from the Digital Sky Survey in this example. (The Catalogs button, or the Catalog browse menu, opens the catalog navigator that can be used to manipulate further the overlayed catalog information).
|In fact, any FITS image can be used as the background to the position editor. If the image has world co-ordinate system information in the correct format (as do all of the image servers listed) then the [RA, dec] of the cursor position is shown in the lower right as you move the cursor across the field.
To adjust the base pointing position, change the position editor mode from browse to drag on the toolbar and click-and-drag the base position symbol. If atthe same time you have the telescope targets component open in the science program editor, you will see the [RA, dec] values change. Likewise, if you edit the [RA, dec] values directly in the top panel of the targets component, the base location in the position editor will change.
If you make a large change, you will need to download a new image centered on the new base position. Remember, if you make a major change you will need to follow the change request process described in step 4.
|Although there is tight interaction between the position and science program editors, it is possible to get them confused. If the position editor does not reflect the current configuration, select a different observation in the science program editor and then re-select the original one. This will usually force the position editor to refresh the display.
|You do not need to download background images each time you use the OT. Images are stored locally on disk and maintained in a cache of 20 images. The image in the cache whose center is close to the base position is displayed, if it is found. If you move the base position more than a certain amount, the image in the cache will not be used anymore. See an overview of the position editor viewer for more details.
If your science program contains several observations of the same target, you can make the same position adjustment to the others by cutting, copying and pasting the changed target component. As noted in step 2, each observationmay have only one target component and so you must first remove the unwanted targets. Simply select a target component and click cut in the main toolbar. Then select the modified target component, click copy, select the new observation and click paste. This procedure is illustrated below:
|(a) Select unwanted target component
|(b) Click Cut
|(c) Select modified target component
|(d) Click Copy
|(e) Select new observation(s) (note that the new target can only be created when the observation level is highlighted). More than one observation can be selected by Shift or Ctrl clicking.
|(f) Click Paste. The buffer contents will be pasted into all selected observations.
|The cut, copy and paste features are also available using the right-hand mouse button for components in the science program editor.
|Step 6 - Add Target Acquisition Details (or other notes)
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The accuracy with which the position editor and a background image defines the base telescope position depends on the precision ofthe target co-ordinates (e.g. if entering [RA, dec] explicitly) or the world co-ordinate system of the image (if using the position editor). For many imaging observations this will suffice.
For many spectroscopic programs the target may be too faint todetect in an acquisition image of reasonable exposure time (~60seconds). In this case the coordinates of a brighter reference star should be given in a User target. The reference star will be acquired into the center of the slit and then the telescope will be offset to the Base (science) position. The relative positions of the User and Base (science) targets should be accurately known. More details are available for how to set up such "blind acquisitions". You can add also one or more notes toan observation to describe in words the target acquisition that you wish the Gemini staff to perform. Notes may be used to convey other information such as the reason for a particular calibration sequence or a non-standard offset pattern.
To add a note, select an observation in the science program editor and click on the Note button in the science program elements toolbar. (As with the telescope component in step 5, you can only add a note at the observation level although you can add multiple notes). This procedure is illustrated below:
|(a) Select an observation
|(b) Click Note button
As with all component editors, you can change the title to make it more meaningful (the title is the text shown in the science program editor). The just type your text in the note field.
|For GMOS multi-slit observations, the slit positions are defined using a GMOS image and separate mask-definition software. (See details of the GMOS mask definition process). You must define the imaging observation as part of your science program.
|Any target acquisition information should be included in a note, rather than being e-mailed to your Contact Scientist (CS) because (a) the information is then associated with that observation in the database and (b) your CS will often not be the observer at the time of execution. If target field is crowded or the target is too faint to see clearly on a Digital Sky Survey or 2MASS image, then a finding chart should be submitted using the File Attachment tab on the top level program information screen in the Program Editor. One way to create a finding chart is to use the image display, instrument overlay and annotation tools available in the position editor and then perform a screen capture.
|Step 7 - Define the Instrument Configuration
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In many cases the skeleton science program may not include an INSTRUMENT COMPONENT. Even if added automatically, by extracting information from your Phase I proposal, this component may only describe a default configuration (e.g. H-band imaging for NIRI or filter-less imaging for GMOS) and must be changed to your required configuration. Multiple filters, gratings, cameras etc defined in Phase I will not appear in the skeleton observations.
|Instrument Component: The instrument component defines the static configuration of the optical, mechanical and detector properties to be used for the observation. (These properties may be changed during the observation sequence by the corresponding instrument iterator, described in a later step).
If your observation does not have an instrument component, add one now. An instrument component is added in a similar way as the note component described above. Select an observation and click on the Component button in the science program elements toolbar. Select the desired instrument from the menu displayed. As for the other components, an observation can contain only one facility instrument component. (Other instrument components that modify the beam but do not in themselves collect data, e.g. GPOL polarisation modulator or Altair adaptive optics module, can be added as well as a science instrument).
|In this example, a NIRI instrument component is to being added to the selected observation. Note that the Observing Conditions and Targets options in the menu are greyed out as the observation already contains these components.
Select an instrument component in the science program to display its component editor. The details of the component editor vary from instrument to instrument. In general, the properties of the instrument are set by acombination of pull-down menus (e.g. for cameras, filters), numeric fields (e.g.for exposure time) and radio buttons (e.g. GMOS CCD readout mode).
If the instrument configuration in the observation does not correspond to your needs, change it now. Remember, if you make a major change from the configuration requested in Phase I you will need to follow the change request process described in step 4.
|There are separate web pages that describe the component editor for each instrument. (When available, these pages also describe the instrument iterator, wavefront-sensor visualisation and give tips and tricks on defining observations). See the instrument component page for links. You will likely also need to refer to information available in the main instrument pages for details of filter, grism and grating characteristics, background fluxes and optimum exposure times etc.
|If you are using the same instrument configuration for more than one observation, you can copy and paste your modified instrument component into the other observation in the same way as for the target position (step 5).
Any changes that affect the instrument field of view (e.g. different camera,focal plane unit, slit or position angle) will be reflected in the position editor. To overlay the instrument field of view (FOV), select the sci area button. The FOV isdrawn to scale in light blue and centered on the base telescope position. (SomeFOVs, e.g. GMOS IFUs, are small and you may need to zoom in the position editor to see them).
|Along one edge of the FOV there is a blue triangle; if you select drag mode and then click-and-drag this blue "handle" you can set the position angle interactively.
|When using mid-infrared instruments that take data by chopping the secondary mirror (e.g. T-ReCS and Michelle), the location of the chop beams can be displayed as well as the main science beam FOV. Display of the (light blue, dashed) chop beams can be toggled on/off from the position editor View, Science Area Display menu.
|Step 8 - Add a Telescope Sequence
|(jump ahead to next step)
Almost all observations require exposures to be taken at more than one telescope position. The OFFSET ITERATOR enables this capability.
|Offset Iterator: The offset iterator is used to construct a dither (or mosaic, offset etc) pattern of telescope motion. The offset pattern may be arbitrarily complex.
The offset iterator is one of the sequence components (offset iterators,instrument iterators, repeat loops, Observe commands) that must all be containedwithin the sequence folder. To create a telescope sequence, select the sequence folder within an observation, click on the Iterator button and select Offset from the menu:
Offset positions are defined in an iteration table. Each row in the table is one step in the sequence; each step is defined by offsets in a [p,q] co-ordinate frame that rotates with the instrument. Thus an offset along a slit is always inthe [q] direction, regardless of the actual position angle on the sky. (The desired position angle is specified in the instrument component or interactively in the position editor). We explore the wavefront sensor (WFS) features of the offset iterator in the next tutorial step.
The Grid and Random buttons of the Offset iterator component allows you to rapidlycreate a rectangular or random grid of offsets. You can change the step order using the arrow buttons below the iteration table. You can add individual steps manually, remove selected steps or clear the table (remove all steps) using the buttons.
|As an example, you can use the arrow buttons to re-order the offsets in the default rectangular grid, which is executed in a Z-shaped pattern, so that they are executed in a spiral. For more details about creating and manipulating offset sequences, see the Offset iterator page.
The sequence can be displayed in the science program and positioneditors in several ways.
By default, when you click the Offset button in the position editor the offset positions for the selected observation are overlayed on the image as small yellow circles. Each circle is numbered with the step position. By default, with an offset step selected (i.e. highlighted) in the iteration table,theinstrument field of view is drawn at that step. (This need not be the same as the base telescope position). If you select a different step in the offset sequence,the FOV moves correspondingly.
|In this example, step 2 has been selected in the offset iteration table (see below). The position editor (right) shows (a) the generic science FOV drawn in blue around the base position (earth symbol) and (b) the science FOV corresponding to (i.e. centred on) step 2 in yellow.
|Since the [p,q] co-ordinate system rotates with the instrument, if you change the position angle as in tutorial step 7, the whole offset pattern rotates.
To show the instrument field of view at all offset positions simultaneously,on the position editor View menu, select Base Position Offset Display,Science Area, All Positions.
|Note that if the base position does not coincide with an offset iterator step, no data will be taken at the base position. Another way of stating this is that the blue science area displays the science FOV but does not itself necessarily indicate where data will be collected. On the other hand, if there is no offset iterator in the sequence folder then data are taken at the base position only.
|You can select and display (or re-order) multiple steps at once. To select several adjacent steps, click on the first one in the iteration table then shift+click on the last one; all steps in between will be selected (highlighted). To select non-contiguous steps ("disjoint sections"), select the first step and then ctrl+click on any others that you wish to select. The position editor (View menu, Base Position Offset Display, Science Area, Selected Position) overlay and the iteration table arrow buttons work in the same way as for individual steps.
|With a step selected in the iteration table and that position overlaid in the position editor, it is possible to step through the offset sequence and display the science area and WFS probe positions in a (rudimentary) 'playback' mode. See Offset iterator page for more details.
As well as the spatial view of the sequence, you can also display the observation timeline. Click on the Sequence folder in the science program editor and select the Timeline tab.
| The timeline is color-coded to show the various events (e.g. acquisition overhead, offsets, instrument re-configuration, integration) with an estimated duration given underneath the timeline in minutes. See more details about the timeline and sequence list.
|Note that the overheads shown in the sequence timeline are not yet modelled accurately. For example, the offset and instrument re-configuration intervals default to a fixed value, irrespective of the size of the offset or complexity of the instrument change. Furthermore, detector readout overheads are not always included and can be significant, as in the case of GMOS calibrations.
The Sequence tab shows as a table or list list the same series of events as in the timeline. The sequence list can be printed.
As with the telescope base position, you can move the individual offsetsby editing the iteration table or interactively using the position editor. In the latter case, set the position editor into drag mode and click-and-drag the offset position symbol (the numbered yellow circle). The [p,q] co-ordinates in the iteration table will update to reflect the new location.
|The Observing Tool libraries contain a collections of commonly used telescope and instrument sequences.
|Step 9 - Adding and changing Guide Stars for Wavefront Sensors
|(jump ahead to next step)
The Gemini telescopes are designed to be lightweight structures and are verysensitive even to light winds. Thus it is essential that all science data be collected with at least one wavefront sensor (WFS) locked onto a guide star toprovide tip-tilt image stabilisation. In many cases, 'sky' frames (taken for background subtraction or flat fielding) and calibration stars should also be observed "closed loop" as the images may otherwise be smeared over many arcsec which makes extraction of the source-less background or photometry extremely difficult.
|The requirement to operate with at least one WFS applies to every step in an offset sequence.
The strategy of which WFS (e.g. facility peripheral sensor or on-instrument sensor) to use depends primarily on the instrument in use. For example the large vignetting pattern of the peripheral WFSs normally precludes their use for widefield imaging or spectroscopy (e.g. with GMOS) whereas the limited patrol fieldof the NIRI on-instrument WFS in f/6 mode requires that the peripheral WFS beused. Choice of WFS may also depend on the brightness of available guide starsand the desired precision of correction - as a rule, the closer the guide star is to the science target the better the correction, provided that the star is bright enough.
|More information about the choice of WFS can be found on the specific instrument component pages. Details of the facility peripheral WFSs are available. The on-instrument WFSs are described as part of the main instrument pages.
Any guide stars defined in your Phase I proposal will automatically beincluded in your skeleton science program and are listed in the target component. Depending on the algorithm used to search for guide stars, they will be assigned to the peripheral (PWFS), on-instrument (OIWFS) or adaptive optics (AOWFS) wavefront sensor. Each guide star has a tag *WFS-n which can be displayed in the position editor. These tags are the means by which WFSs are assigned to individual steps in an offset sequence.
|Due to the limited patrol field of each WFS it is important that you check the guide stars are valid at every position in the offset sequence (since offsetting the telescope may cause the star to move outside the patrol field or may introduce vignetting of the science field). Furthermore, the guide star catalogs do contain errors and invalid entries (e.g. the nuclei of galaxies or false detections near bright stars) which the automatic search algorithm cannot distinguish from real stars. Such problems are readily identified by overlaying the WFS locations in the position editor.
The position editor is a convenient way to examine the WFS configuration andselect guide stars. Click on the View WFS button to show (in green) all of the positions and tags in the guide star target list. Also click on any orall of the PWFS FOV, OIWFS FOV or AOWFS FOV View
buttons too verlay the relevant wavefront sensor patrol field. In cases where the WFS mechanical structure can obstruct the light path (e.g. GMOS OIWFS, facility PWFS), the FOV buttons also display the vignetting pattern for that mechanism.
|More details about the PWFS vignetting overlay can be found on the position editor help page. Also included are instructions on configuring the PWFS and OIWFS FOV display e.g. to show the chop positions.
When you create an offset sequence the first tag for each WFS (normally,*WFS-1) is assigned to every step in the sequence. Thus, if your target list contains one guide star tagged as PWFS2-1, the iteration table will contain this tag in every line. With the position editor open, stepping through the offset sequence (as in tutorial step 8) shows the WFS patrol field and vignetting at each position. (The motions and vignetting of the WFS mechanisms are modelled accurately e.g. the angles of the PWFS and GMOS OIWFS pick-off arms change to try and maintain acquisition of the guide star as the telescope offsets).
You may wish to change the guide star for every step (e.g. after overlaying the tag location on an image you discover that it is not a star).
|To search for available guide stars, select the Guide Stars button in the position editor toolbar. Select the instrument in use (the instrument in the current observation should be chosen by default) and the type of guide star needed, and the catalog. Clicking "Ok" will begin the search and the returned stars will be plotted on the image.
|You can also select one of the Catalog Servers from the list in the position editor Catalog menu. All entries will be retrieved from the server, from the ESO GSC-I in this example. The Catalogs button, or the Catalog browse menu, opens the catalog navigator that can be used to view the downloaded information, e.g. object brightness in available filters, and to manipulate further the overlaid catalog information.
Guide stars from a catalog are assigned WFS tags using the Add *WFS buttons in the position editor. Click on any position in the image to add thatlocation [RA, dec] to the target list. If thechosen position is close to a catalogued object (use the View Catalog button to toggle on/off the overlay) then the (normally more accurate) co-ordinates taken directly the catalog, rather than from the image, are used inthe target list (and other useful details such as the guide star name and brightness are added). As many WFS targets as desired can be added to the target list but it is best to have only one star of each tag type in order to avoid abiguity about which should be used.
There are two tags with special meaning: park and freeze. Park is used to set the WFS mechanism to a retracted position out of the beam i.e.that WFS is not used for that sequence step. Freeze disables thepositioning mechanism leaving the WFS in the beam; unlike normal operation the WFS does not 'follow' the star when an offset sequence step is executed. This is useful when you wish to return to the same guide star with the highest possible precision.
Unwanted tags can be deleted either by removing them from the list in the telescope target component or in the position editor by setting erase mode and clicking on the tag location (i.e. the green square). It is not necessary to delete unused tags. If a WFS tag is 'in use' and assigned to offset sequence steps then the WFS is set to park for those steps.
|Step 10 - Add an Instrument Sequence
|(jump ahead to next step)
You have defined the basic instrument configuration using the instrument component in tutorial step 7. The configuration can be modified (e.g. change thefilter or grating wavelength) as part of a sequence using the relevant INSTRUMENT ITERATOR.
|Instrument Iterator: The instrument iterator is used to construct a sequence of instrument configurations e.g. to cycle through filters as part of an observation. It may be used in conjunction with the telescope offset iterator to create complex sequences.
Like the telescope offset iterator from tutorial step 8, the instrument iterator is one of the sequence components (offset iterators, instrument iterators, repeat loops, Observe commands) that must all be contained within the sequence folder. To create an instrument sequence, select the sequence folder within an observation, click on the Iterator button and select the relevant iterator from the menu.
|The corresponding instrument component must be present in observation before its instrument iterator can be added. If the component is deleted, so is the iterator. The individual instrument iterators are described in more detail on the OT instrument pages.
|The instrument iterator modifies the instrument component, thus there is no need to specify a parameter in the iterator if it does not change during the sequence.
The instrument sequence obeys the same step metaphor as did the telescope offset sequence. In the case of instruments, the columns in the iteration table are the instrument mechanisms - almost any element that is definable in the instrument component can be iterated over. In the following simple example, a sequence is constructed to cycle through the J, H and K filters with NIRI using an appropriate exposure time for each:
You can think of the hierarchical sequence as a programming language. In the example above, one Observe occurs for each step in the NIRI sequence (think nested do or for loops). Select the Sequence folder and examine the timeline (you may need to zoom in and scroll to the extreme right, this example is dominated by overheads!) and sequence list to inspect the order of configuration commands.
|The order and hierarchy of the sequence elements is important. In the example above, if the NIRI Sequence and Observe elements had been arranged as shown right then only one Observe would occur, at the end of the sequence (i.e. the instrument would cycle through J, H and K filters, without taking data, and then take data with the configuration from the static NIRI component).
|The order and hierarchy of elements in a sequence can be changed by dragging-and-dropping. In fact this applies to any components in the science program. For example, to correct the poorly constructed sequence above, click on the Observe element (either the 'eye' icon or the adjacent "Observe (1x)" text and drag it up and right to a position under the NIRI sequence element. You cannot drag-and-drop a component to create an invalid observation (e.g. one with two Observing Condition components).
Instrument and telescope offset sequences can be combined in the same observation (e.g. to execute a dither pattern in between grating scans or filterchanges). In fact you can create arbitrarily complex sequences with as many instrument and offset iterators as you wish although judicious use of one repeat, one instrument and one offset iterator is normally enough for most observations.
|The Observing Tool libraries contain collections of commonly used telescope and instrument sequences.
|Step 11 - Add Observe Commands to Take Data and Calibrations
|(jump ahead to next step)
The most commonly used Observe command was introduced in the previous tutorial step. The Observe command takes data from the sky with the current instrument configuration at the current telescope position. The only parameter is the number of Observes issued, each of which creates one dataset (i.e. one FITS file).
|Multiple Observe commands should not be confused with "coadds". Some instruments allow multiple data frames to be taken and accumulated internally to the detector controller. Depending on the instrument, the coadds may be summed or kept as separate frames but all end up in a single (multi-extension) FITS file.
As the Observe command(s) are the only ones that take actually data,they must therefore be at the 'root(s)' of any sequence 'tree'. One convenient way to confirm that the Observe commands do what you expect is to look at the sequence list and, especially, the timeline.
There are three special Observe commands that take calibration data. Their use depends on the instrument.
|Most observers do not need to include these calibrations in their science programs as suitable measurements are taken as part of the baseline calibration program. For details of the baseline calibration plan for each instrument, see the calibration section of the Performance and Use page for each instrument (e.g. via the main instrument pages).
The calibration Observe commands are:
- The Dark command configures the instrument to be light-tight and takes a dataset of the specified exposure time at the current telescope position.
- The Flat, Arc, Night Baseline GCAL, Day Baseline GCAL, and Manual Arc/Flat commands takes a flat field or calibration arc lamp dataset using the facility Gemini calibration unit (GCAL) with the current instrument configuration and telescope position.
- The Bias command configures the instrument to be light-tight takes a zero (or very short) exposure time dataset.
|For information about the GCAL lamps and filters see the instrument pages and GCAL pages.
|Step 12 - Add Standard Stars, Other New Observations and Groups
|(jump ahead to next step)
The skeleton science program is created with the observations specified inthe Phase I proposal. In some cases you may wish to add new observations that were not completely defined in Phase I e.g. the time requested was for a single nominal target from a target list, to subdivide the approved allocation (remember, an observation is the minimum schedulable block) or to add calibration (standard) stars.
|A minimum set of standard stars is taken as part of Baseline calibration but the observations are usually defined in the science program. For details of the baseline calibration plan for each instrument, see the calibration section of the Performance and Use page for each instrument (e.g. via the main instrument pages).
|Remember, if you intend to make a significant change to your science targets you must follow the change request process. It is a good idea to check first with your National Office or Contact Scientist support staff member.
|New observations are added by clicking on the Observation button. You can do this from any level in the science program (i.e. you do not need to have first selected the top-most level in the hierarchy). New observations are added at the bottom of the science program with default Observing Conditions ("Any") and Target (RA = 0 hr, dec = 0 deg) components and an empty Sequence folder. If appropriate, you can copy target, instrument and other components and iterators from other observations to speed definition of the new one.
As discussed in tutorial step 3, the ordering of observations in the science program does not convey any prioritisation regarding preferred order of execution.
|You can group together observations that must be executed together e.g. a special calibration and a science target in a scheduling group. However, be careful when doing this as a scheduling group becomes the smallest schedulable element and you may reduce its likelihood of execution if the group occupies a long period of time. Unlike individual observations, the ordering of observations in the group does impose a specific execution sequence.
An observation is placed into a group by selecting the observation andclicking on the Group button. This will reveal a menu with options Scheduling Group and Organizational Folder. Observations within a scheduling group are executed together while observations within folders are executed independently.Select the appropriate type. Other observations can be added tothe group/folder bydragging-and-dropping them onto the group or folder in the science program. This procedure is illustrated below. You cannot delete a group directly. Instead, you can delete or move (by dragging-and-dropping) observations out of the group and the group folder disappears when it no longer contains any observations.
|(a) Select the observation that you wish to include in a group
|(b) Click the group button. (You may need to expand the group folder tree to see that the observation has been added to the group).
|(c) Select another observation (in this case, Haro 2) and drag-and-drop it into the group folder
Select the group folder to rename the group and to show the total timefor all observations in the group (i.e. the sum of all the sequencetimelines). Note that as with individual observations the overheads are not modelled accurately.If you would like to change a group to a folder, or vice-versa, then click on the group component and change the Group Type from SchedulingGroup to Organizational Folder.
|Step 13 - Checking Your Science Program
|(jump ahead to next step)
By the time you are finished with the Phase II there should be no error messages from the Phase II checker and any warnings should be acceptable.
|The responsibility for ensuring that the science program describes the intended observations rests with the PI.
| There are several checklists available for completed science programs:
If you have questions about the Observing Tool or construction of your science program, please use the web-based Help Desk. This routes queries directly to the appropriate support staff member (initially in the National Gemini Offices, and escalated to Gemini Observatory staff in more difficult cases) and allows us to monitor problem areas for improvement of the software and documentation.
|Step 14 - Submit Your Completed Science Program to Gemini
To upload your science program to the Gemini Observing Database, store the science program using the File...Store menu available from the science program editor. The observations are merged automatically with the existing contents of the Observing Database; only the observation version that is furthest along its life cycle is retained (e.g. so that executed MOS pre-imaging observations are not overwritten when the MOS spectroscopy observations are added). Setting the status flags and storing the science program causes the Observing Database automatically to notify the relevant National Office and Gemini support staff that one or more observations area waiting review.
Once you have stored an observation with status For review, do not modify the observation until it has been set back to Phase 2 by theNGO or Gemini contact. Making changes can interfere with the review process and your changes may get erased when you store. Always fetch your program before making changes and export the program to an XML file before storing to prevent the loss of changes.
|Note that PIs can only change the observation status between Phase 2 and For review. (The reverse change is available so that a PI can change their mind about the status).


text:
Tadhana June 9 2018
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Video Source: Standard Video License
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text:
This guy has been there before, he keeps talking about an underwater specialist.
Let's go Pens!!!!!!
Will update with official scoring from NHL.com throughout.
Moderators: Three Stars, dagny, pfim, netwolf
shafnutz05 wrote:Engelland and Bortuzzo in over Despres
shafnutz05 wrote:Engelland and Bortuzzo in over Despres
SolidSnake wrote:shafnutz05 wrote:Engelland and Bortuzzo in over Despres
DocEmrick wrote:rolodex
shafnutz05 wrote:I feel like I missed the boat on this Pens Points thing, big time
Beveridge wrote:Blysma sat him to give you guys something to moan and groan about.
Spum wrote:2400 for jersey
if points stay the same next year 2400 in a full season is easily doable
Users browsing this forum: No registered users and 12 guests


text:
The mobile computing land-grab is in full swing. While Apple and Google duke it out over the top mobile OS spot, Microsoft and RIM are making their best efforts to catch up. But in addition to those vendors, companies traditionally associated purely with the software industry are also getting into the mobile hardware game. Facebook recently partnered with HTC to create an Android OS-based phone optimized for their new Facebook Home shell. Linux distributor Canonical is working on a Linux-powered Ubuntu Phone. And recently, Mozilla developed its own operating system, originally called "Boot to Gecko," which evolved into Firefox OS, and that uses a kernel called Gonk, which shares some of the same components as the Linux kernel for Android It runs on lots of hardware, including Samsung devices (although these are considered Tier 2 devices and will not receive the latest bug fixes) and a recently released dedicated device called the Geeksphone.
This article isn't a review of the Geeksphone because several of the phone's features are not yet complete. Rather, I review the development experience in Firefox OS. The point of this early release of the Firefox OS hardware and software is to provide enthusiastic Firefox Web developers a head start with an inexpensive mobile platform that will be sold to consumers sometime in the future.
Developers interested in creating applications for Firefox OS can even do so right now, entirely without the Firefox OS hardware requirement. Because the OS is powered by the same technology as the Firefox for Android Web browser, anyone with a supported device running Android 2.2 or higher can download and install Firefox for Android from the Google Play market.
Getting Started
Regardless of whether you have access to Firefox OS phone hardware, the first thing you should do is install the Firefox OS simulator. You will need the latest release of the Firefox Web browser for Windows, Mac, or Linux. Then install the Firefox OS simulator plug-in.
Launch the simulator (Figure 1) by selecting from the desktop Firefox Tools | Web Developer | Firefox OS menu item. Toggle the Simulator switch in the left margin of the page to "Running," and note how quickly the simulator is ready to use. Compared to launching an Android or iOS simulator on the same hardware, the Firefox OS simulator leaves those simulator start-up times in the dust.
Figure 1: The Firefox OS simulator.
Next, try out one of the many apps already available in the Firefox Marketplace. Simply select the Marketplace icon in the simulator, and choose an app of interest.
For example, to install the Wikipedia app, scroll the simulator home screen to the right to display the app icons, one of which is the Marketplace. Click that icon to open it. From there, select the Wikipedia app icon on the Marketplace home page. From the Wikipedia App Details page, click the Free button to load the app into the simulator. Clicking the Install button completes the installation process.
When you return to the simulator's home screen by clicking the small home icon on the left side of the bottom toolbar, you should see the Wikipedia app (Figure 2) along with the other installed applications (Figure 3) on the simulated device.
Figure 2: Installing the Wikipedia app.
Figure 3: Various Firefox OS applications.
Of course, Firefox OS shares some of the same components as the Linux kernel for Android, everything else about the OS has been built around the Gecko browsing engine and Gaia user interface.
Web-Centric Development
Because Firefox OS apps consist of Web-native HTML5, CSS3, and JavaScript files, Web developers can create optimized editions of their Web properties today using the debugging capabilities built into Firefox for Android.
To get started with Firefox Marketplace app development, visit the Developer Hub for a brief walkthrough of the process. This will acclimate you to the Firefox app design fundamentals and user interface guidelines, provide links to the Firefox OS Simulator and reference applications (with all the source code posted on Github), as well as explain how to prepare your application for deployment. To utilize the display metrics of Firefox OS Web applications, developers should follow the documented guidelines recommended on the Mozilla Developer Network (MDN).
If you want to employ hardware-specific Firefox OS features, such as the filesystem or radios, will need to create a collection of HTML/JavaScript files that access these features. To access the GPS radio, for instance (Figure 4), developers need to call the
getCurrentPosition() function (see the Mozilla Developer Network documentation for an example of this call in action). For apps that require more privileged access to such features as alarms or notifications and local storage, developers need to explicitly add those permissions to the manifest, similar to the way Android developers do within the
AndroidManifest.xml file.
Figure 4: Running a Geolocation app on a Firefox OS smartphone.
App Distribution
While developers can test and deploy their hosted Web applications on either the Firefox for Android or Firefox OS phones, applications that are intended to be bundled into a zipped manifest and launched locally need to be signed to be granted permission to do so. These apps are divided into three types from lowest to highest sensitivity: plain, privileged, and certified.
- Plain means that the zipped manifest doesn't require access to any hardware and behaves with the same level of permissions as if it were running in a standard Firefox Web browser over the Web.
- Privileged means the app requires access to sensitive Web API calls such as address book read access.
- Certified is the highest level of system-level access (such as the ability to change system settings) and is intended more for device OEM's than Web developers.
Mozilla holds the app-signing keys, but unlike developer programs for other mobile OS platforms, does not charge developers for the privilege of working with Mozilla to upload an application for code review to the Firefox marketplace. Prior to doing so, developers need to create or use an existing Mozilla Developer Network account and agree to the terms of service.
If the developer guidelines are followed and an application has been submitted for review, Mozilla estimates the review turnaround time to take about two weeks. Once approved, the app bundle is code signed by Mozilla and made available for download from the Firefox Marketplace. If the application is a paid product, revenue share for distributing the app through the Firefox OS marketplace is shared with Mozilla, similar to the way Apple takes a percentage of sales through its App Store.
Next Steps
If you already have an Android device capable of running the Firefox browser, you're ready to get started developing for the Firefox OS. However, for a truly accurate performance portrayal of how your Web applications perform on the platform (Figure 5), you can obtain the developer preview edition today from the Geeksphone website. For the more adventurous, you can even attempt to build your own Firefox OS phone because Mozilla has posted the source code to the kernel on Github. Some porting projects are already underway to get Firefox OS to run on older Android hardware.
Figure 5: A collection of Firefox OS applications.
Mozilla's approach with Firefox OS seems to be an amalgamation of parts of Palm/HP's ill-fated WebOS combined with the advantages of centralized Web application curating and distribution of programs that step into the realm of hardware-level access. And because the OS itself is there primarily to serve the Gecko engine, speed and security are some of the most notable benefits that Firefox OS has to offer. Thanks to this laser-focused approach on speed and security, the hardware required to adequately run an acceptable user experience precludes the mobile hardware arms race currently underway elsewhere.
So if you're a fan of Web standards and like the Web-centric approach that Mozilla has to offer, take the dive and port your favorite website, app, or service to a Firefox OS program to see how intuitive and quickly rewarding the process can be.
Mike Riley is a blogger for and frequent contributor to Dr. Dobb's.


text:
In a nutshell....
A traditional pair of coal tongs crafted in cast iron. These tongs have a scissor style handle with large finger holes for a better grip.
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All our UK deliveries are only £3.95 no matter how many products we deliver anywhere in mainland UK. For heavy items like ponds or garden furniture we charge only £9.95 per complete order. We also deliver to other countries in Europe, please see our rates below.
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For heavy pond or garden furniture deliveries we charge an extra £4.00 to our standard delivery rate. Our rates below are our standard rates, please add £4.00 for heavy goods. All delivery rates are automatically added to your order when you add a product to your cart.
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We deliver nationwide to the UK, the island of Ireland, Austria, Benelux Countries, Czech Republic, Denmark, Finland, France, Germany, Hungary, Italy, Norway, Poland, Portugal, Spain, Slovakia, Slovenia, Sweden and Switzerland. Please see our delivery rates below:
£3.95 - The United Kingdom and Island of Ireland (Highlands and Islands may incur a surcharge, please contact us on 0044 1788 298 795 for details)
£9.95 - Austria, Belguim, The Netherlands, Luxembourg, Denmark, France, Germany, Switzerland.
£19.95 - Czech Republic, Hungary, Italy, Poland, Slovakia, Slovenia, Sweden.
£24.95 - Finland, Norway, Portugal, Spain.
How long does delivery take?
Stock permitting we aim to dispatch your goods within 1 - 2 working days of receiving your order. The average time taken from order to delivery is 3 - 4 days in the UK and Ireland, and up to 6/7 working days for France, Germany and the Benelux countries.
Can I track the parcel myself?
When the order has been dispatched we will provide you with a tracking number for your shipment, you will be able to log on to the relevant couriers website and see where your parcel is at any time. You can also call the office on 01788 298 795 or email firstname.lastname@example.com if you need more information.
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The driver will leave a note with the depot contact number. Delivery can be arranged for the next day or a later date. The driver will not leave the parcel without a signature however they can leave your parcel with a neighbour if instructed to do so in our notes section at the checkout stage on the website. If your order is for Raised beds or Ponds it will be delivered by Tuffnells carriers and they do not require a signature for the delivery. They will leave your order in a safe place and put a note in your door telling you where it is (typically down the side of the house or around the back)
I'm ordering several items, do they all arrive at the same time?
All items dispatched at the same time will normally be delivered in one delivery. The exceptions are bulk bags of soil or compost which comes in a separate delivery using a different delivery company.
What if my parcel is damaged or I wish to return the goods I have ordered?
Contact our office on 01788 298 795 and we will arrange collection and refund or replacement of faulty or damaged goods free of charge. We have a 'no quibble' policy on damages and will replace immediately once we receive an emailed photo of the damaged item.
If you wish to return an undamaged item for any reason we do charge a collection fee which may vary depending on the number of parcels, each case is different so please call us to arrange. We promise to keep returns fees fair and as low as possible. To arrange a return please contact our sales team on 01788 298 795
Great customer service is what we are all about. You will never have to worry about damages, the item not being as expected or simply deciding you don't want the item and you wish to return it. If you've changed your mind about your purchase, please return it in its original condition with proof of purchase within 35 days of receiving your order and we'll exchange or refund it. We will also refund the standard delivery charge, provided you return the full order. If you're only returning some of the items on your order, then we will only refund the cost of those items. We do not cover the cost of returning the item to our warehouse.
Please note that the goods must be returned in the same condition that they left us so if you have opened your parcel you must ensure it is well enough packed to make it back to us undamaged.
Damaged Goods Returns
If the parcel is visibly damaged upon delivery, Do Not Sign for the Order. After that just email us on email@example.com and we will do the rest. Obviously it is not always possible to spot a damage in that moment of delivery so don't worry. As soon as you open your parcel if the goods are not as they should be just email us a photo of the issue clearly explaining the problem. We will be back to you within the day with a solution. This is normally to arrange a collection at a time that suits you and arrange for a replacement to be sent out. We have very few damages so we act very quickly. Please note the Photo is important so that we can claim off our couriers.
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So you have decided on receipt of the goods that you simple don't want them. Again simple. Just email us at firstname.lastname@example.com explaining that we want to return your goods clearly stating your name and your order number. We will arrange for collection on an agreed day. Once the goods arrive back in our warehouse and they have been checked as in the condition they left us we will refund you less 15% of the product value. We won't even charge you for the collection. Now it doesn't get any better than that.
European Returns
Customers outside of the UK and Ireland are covered by the damages Returns policy above. If you want to return your goods due to the fact that you no longer want it you simply email us on firstname.lastname@example.com and let us know. You will then need to return your goods to the following address and once it arrives back to us in the condition it left us we will refund you less the 15% restocking charge.
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Buying online - Delivery Time Scale
All delivery times are listed on the product page and will be rechecked when more than one item is entered in to the quantity field, next to the Add to Basket button. All delivery times are rechecked once a customer proceeds to checkout. The lead-time will be shown next to each product on the summary table on the order page.
Buying online - Delivery
Please note that once an order has been dispatched customers can change the date of delivery, upgrade to a morning or a Saturday delivery or request the order to be left with a next door neighbour. The delivery contact on the order will receive an email with directions about how to do this. We use DPD to deliver our products, unless the order is of a larger volume where it may be sent on a pallet.
On the day of delivery, customers will be contacted by either email or text (depending on which form of contact was given when placing the order) to inform them that the order will be delivered that day with a delivery time window. A tracking number will be supplied which can be used to re-arrange delivery, if necessary.
If customers place an order where products are showing different lead-times we can part dispatch the order, although there may be an additional charge for this service.
For any status updates on orders, customers can telephone our Head Office: 01993 883383.
Buying online - Returns
If a customer would like to return a product, we need to be notified within 14 days of receipt of the product. The customer must then return the product within a further 14 days.
Any items which have been personalised cannot be returned as they are deemed bespoke pieces.
Products to be returned must be sent back in the same condition that they were received in and should not have been installed. They should be sent back to our Head Office address by a tracked/signed for courier service and must be well packed to ensure safe delivery. We are unable to accept items that are not returned in their original state.
In order to arrange a return, customers must fill in the form in the link below. This will be processed and we will respond within 48 hours. On confirmation customers will be emailed a label to stick on the box. Please note that returns will not be accepted unless they have registered in this way with the label stuck to the outside of the box.
Returns Form
Please note that customers are responsible for the costs of returning their products and to avoid any damage during transport, we advise that customers pack returns carefully.
Buying online - Cancellation
Customers have the right to cancel their order within 14 working days. If the order has already been processed it may not be possible to stop the order from being dispatched. If we can, we will stop the order from being sent. If it is too late and the order has already been dispatched, customers are required to return the product in the same condition that it was received in. The product condition must be checked before arranging for the item to be sent back. See returns information.
To cancel an order please telephone 01993 883383 to log this as quickly as possible. Customers will also be required to confirm their order cancellation in writing. Email:email@example.com
Buying online - Amendments and Corrections to orders placed
If customers notice that an error has been made whilst placing an order, please telephone 01993 883383 immediately. We will endeavour to adjust any corrections to the order, before the order has been processed or dispatched.


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Royal Doulton
White Tea and Thyme
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eLearning Intro Screen PowerPoint 134
You only get one chance to make a first impression. Thats why its important to have a good looking intro screen for your eLearning courses. We offer a wide variety of professional designs to inspire your eLearning designs. All of these intro screens are fully editable within PowerPoint. You can change text, modify colors, or swap out graphics to create a design that works for your eLearning course.


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2020 IRONMAN Switzerland Thun offers 40 qualifying Age Group slots for the 2020 IRONMAN World Championship, in Kailua-Kona, Hawaii. Be prepared to pay the entry fee + 8% Active fee with credit card only. We will not accept cash or cheque as a valid form of payment.
If you qualify in the 2020 edition of IRONMAN Switzerland Thun you are only eligible to compete in the IRONMAN World Championship 2020 in Kailua-Kona, Hawaii. All competitors who wish to make use of their qualification slot have to be present at slot allocation. Not every competitor make use of their slot therefore, other athletes will advance in the respective age group till all slots are allocated. The organizer reserves the right to have the final decision during the slot allocation.
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Only Age‐Group Athletes are eligible to receive Age‐Group World Championship qualifying Slots. Athletes holding current Professional or Elite status with any ITU Member National Triathlon Governing Body, WTC's Pro Membership program or having raced as an elite athlete in any international events during the calendar year, are not eligible for Age Group Slots. Athletes may not at the time of the event, nor at the time of the World Championship event they have qualified for, hold professional or elite status.
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Prior to race day, at least one slot shall be tentatively allocated to each Age Group category (both male and female). Final Slot Allocation will be determined on race day based on the number of official starters in each Age Group.
If there are no starters in a particular Age Group, then that slot will be moved to the next calculated Age Group within the gender. Final Slot Allocation shall be representative of the actual number of Age Group starters in each category in the race.
Please check the schedule of events for time and location. Anyone who wishes to claim a Rolldown slot must attend the IRONMAN World Championship Slot Allocation and Rolldown Ceremony and claim their slot in person. If an automatic qualifier in an Age Group chooses not to take the slot, does not attend the IRONMAN World Champiosnhip Slot Allocation and Rolldown Ceremony, or has already qualified, the next eligible finisher in that Age Group may claim the slot that has rolled down.
If there are no more eligible finishers in a particular Age Group or no other finishers in attendance at the IRONMAN World Champiosnhip Slot Allocation and Rolldown Ceremony in that Age Group, that unclaimed slot will be reallocated to another Age Group within the gender based on the athletes-to-slots ratio. The Age Group within the gender with the largest athletes-to-slots ratio receiving the second re-allocated slot (if applicable), and so on.
Each Age Group athlete who accepts a qualifying slot for the IRONMAN World Championship is subject to IRONMAN's Anti-Doping Rules and will be required to sign the World Championship Events Anti-Doping & Qualifying Slot Waiver for Age Group Athletes. The waiver serves to provide additional notification of and consent to IRONMAN's Anti-Doping Program, which includes IRONMAN's efforts to combat, deter, and test for doping in accordance with IRONMAN's Anti-Doping Rules.
IRONMAN's Competition Rules for additional guidance and information >>


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Filtersource.com is able to manufacture exact replacements for 29545779 with a standard lead time of two weeks. Our replacements are functionally and dimensionally interchangeable with the original element supplied from Allison Transmission.
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Phone – 888.424.3336
Email – firstname.lastname@example.com
701 Tecumseh Road
Clinton, Michigan 49236
Sencha - green tea leaves with organic Bulgarian rose hips and Moroccan organic rose petals. A superb green tea with a sweetness of rose petal and rose hips. Refreshing, relaxing, and uplifting with delicate floral notes. 41% less caffeine than brewed coffee. Antioxidant catechin health benefits. Quick and easy, environmentally appropriate tea bags.
All true teas stem from the plant Camellia sinensis, an attractive perennial shrub about five feet tall with gentle rounded leaves and tender twigs. Tea becomes green, black, or other varieties depending upon the time of harvest, and the way it is cured and handled. Tea begins to oxidize as soon as it is picked. Chinese and English teas allow oxidation to proceed as they dry, but with Japanese green tea oxidation is skillfully halted by the steaming and rubbing process.
Herbal teas are not true teas and do not contain any tea leaves at all. They are infusions that are made from many types of plants or combinations of plants simmered in boiling water. Each herb has various healthful attributes such as plant chemicals known as polyphenols and flavonoids, volatile oils, and antioxidants.
Eden Organic Sencha Rose Green Tea is a delightful combination of both true tea and herbal tea - our premium Sencha Green Tea and the queen of flowers, Roses. Expertly blended resulting in a delicate tasting tea with floral notes and smooth undertones of soothing green tea. The best of both loaded with antioxidant health benefit from green tea's catechins and the volatile oils of roses. 41 percent less caffeine than regular brewed coffee.
Eden Sencha is organically grown on remote, centuries old tea plantations of Uji, Japan by the Nagata family. Unlike most farmers the Nagatas process their first, most prized leaves into Sencha. While most tea farmers spray their plants with chemicals fifteen to twenty times per year, the Nagata family has rejected chemical agriculture completely. They do not use animal manure, chemical fertilizers, herbicides, or pesticides and replenish nutrients in their soil only with vegetable quality compost. The Nagatas are somewhat of a curiosity to the neighboring tea farmers. Their plants are not overly protected and pampered, and are allowed to grow according to their own pattern. Although they harvest slightly less tea than those using the pampered and chemical methods, their tea plants produce tea for twice as long a period of time. Chemically grown plants burn out in about twenty years, but the Nagata plants commonly produce for forty years, and some for as long as one hundred years. The Nagata family has supplied natural food shops around the world with organic sencha and other organic teas since 1974.
The hand harvested organic rose hips and organic rose petals in Eden Organic Sencha Rose Green Tea come from Bulgaria and Morocco, two of the most famous rose cultivating countries in the world, where roses have been grown for centuries for use in perfume, oils, tea, and in cooking. Although there are over 10,000 different roses, there are only three whose odors are said to be highly prized. One of those is Rosa damascena used in Eden Organic Sencha Rose Tea.
Our rose hips come from Bulgaria, the largest and number one area worldwide for the cultivation of Rosa damascena. Bulgaria is famous for its Valley of the Roses, an area approximately 80 miles long by 30 miles wide in the majestic Balkan and Sredna Gora Mountains. Here Rosa damascena grows wild. Attempts at cultivating roses in other areas of Bulgaria have apparently failed. This particular variety thrives in the area's sandy soil with exposure to bright sunlight and protection from the cold winter winds by the surrounding mountains. Over 180 villages are involved in the cultivation of roses there, with over 20,000 small farmers cultivating about 1 acre of private rose gardens. Each year in May the entire valley is transformed into a breathtaking sight of rose blossoms until the hand picking ritual ends in early June.
Rosa damascena, a light pinkish-red rose with 36 petals to each flower, is very fragrant. Like Bulgaria, Morocco has its Valley of the Roses called the Dades Valley. Our delicate rose petals come from this famous valley located in the Atlas Mountains of Southern Morocco. This area is the third largest worldwide for the cultivation of the Rosa damascena. The Dades Valley is actually a dessert oasis irrigated by the Dades River that winds through the valley. Like in Bulgaria, the Rosa damascena thrives in the valley's sandy soil and sunny environment where the surrounding mountains and olive trees purposely planted around the rose gardens protect them from the cold winter winds.
The flavor of tea reflects the soil it is grown in, the season picked, and the curing process. Eden Organic Sencha Rose Green Tea is tended adhering to strict organic practices. The growers are dedicated to organic farming. This dedication is also reflected in the use of skillfully executed traditional handling methods that preserve and enhance the tea's flavor, antioxidants, and volatile oils resulting in exceedingly fine organic tea.
Most tea bags contain a plastic that allows them to be heat sealed. We didn't think this was any way to treat good tea. Every part of an Eden tea bag reflects the highest care, from its unbleached manila fibers, to its crimped seal and 100 percent cotton string. No whiteners or plastics used.
Green tea has been the focus of medical research in many countries over the past decade. These studies affirm green tea's healthful properties. Powerful antioxidants, including epigallocatechins gallate, tannins and flavonoids, all collectively referred to as "catechins" are cited. These polyphenols account for up to 40 percent of the tea's dry weight. Roses and rose hips have played an important part in diets for centuries and were used in making teas, salads, sandwiches, and preserves. They are highly valued for beneficial nutrients, antioxidants, and volatile oils.
Eden Organic Traditional Teas contain no added flavorings or dyes, and are not processed using any additives whatsoever.
|Sencha Rose Green Tea, Organic
|Item Number
|Organic Sencha Green Tea Leaves (Camillia sinensis), Organic Rosehips, Organic Rose Petals
|Case Quantity
|Package Size
|16 bags
|Package Size Metric
|16 bags
|UPC Code Each
|UPC Code Case
|Eligible for Flat Rate Shipping
|Gluten Free
|Wheat Free
|Non GMO


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Net Block G
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|take it apart and put back together
|Level 9 - Gruelling
|Plastic Interlocking Puzzles, Meffert's Net Block Puzzles
Product Description
The Net Block G is made from multiple colors of a high quality plastic. The object of this puzzle is to take it apart and then put it back together again. This Puzzle is made from 9 different pieces. The Net Block Puzzles are very similar wooden block puzzles, only they are much more colorful and made with a sturdy plastic. The Net Block G is manufactured by Meffert's Rotational Puzzles. Uwe Meffert, born in Wernigerode, Germany, not only manufactures the puzzles, but has designed many of his own puzzles as well.
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