Australian Astronomical Observatory
In addition to operating the two telescopes , AAO staff carry out astronomical research , and design and build astronomical instrumentation for the AAT , UKST , and other telescopes including the European Southern Observatory ( ESO ) 's Very Large Telescope in Chile , and the Japanese Subaru Telescope on Mauna Kea in Hawaii . 
<triplet> Very Large Telescope <subj> European Southern Observatory <obj> operator <triplet> Subaru Telescope <subj> Mauna Kea <obj> part of