The list he compiled contains only objects found in the sky area he could observe: from the north celestial pole to a celestial latitude of about − 35.7 ° and are not organized scientifically by object type, or even by location.
The list contains only objects. These only objects are found in the sky area: from the north celestial pole to a celestial latitude of about − 35.7 °. The list are not organized scientifically by object type, or even by location. He could observe the sky area. He compiled The list.