From a catwalk on the Gemini South enclosure (dome) showing the reflection of the early twilight sky on the mirror and the colors of sunset in the open vents. 

Nighttime image of Gemini South illuminated by moonlight and interior light on Instrument Support Structure prior to full population of instrument cluster. Full Resolution TIF (26.9 MB) Medium Resolution JPG (152 KB) Gemini Observatory Image/Video Usage Policy

Gemini South looking up from the "Observing Floor" with the Instrument Support Structure to the lower left, and the partially-open observing slit to the right. Full Resolution TIF (25.1 MB) Medium Resolution JPG (144 KB) Gemini Observatory Image/Video Usage Policy

This view of the Gemini South Telescope shows the telescope structure as it prepares for a night of observations. On the back the Instrument Support Structure can be clearly seen and some of the brighter stars can be seen through the open observing slit.

This image shows the interior of the Gemini South Telescope with a dark nighttime sky outside. The camera used for this image was a "All-Sky" 2-pi 4X5" camera on loan from the American Museum of Natural History and used by Neelon Crawford - Polar Fine Arts.

Image showing the interior of the Gemini South Telescope just before sunset. The camera used for this image was a "All-Sky" 2-pi 4X5" camera on loan from the American Museum of Natural History and used by Neelon Crawford - Polar Fine Arts. Full Resolution TIF (24.4 MB) Medium Resolution JPG (176 KB) Gemini Observatory Image/Video Usage Policy

This image shows the interior of the Gemini South Telescope with the observation slit closed and the thermal vents open. The camera used for this image was a "All-Sky" 2-pi 4X5" camera on loan from the American Museum of Natural History and used by Neelon Crawford - Polar Fine Arts.