Timelapse of Gemini North at night. First half is lit by moonlight and second half is under dark sky. Stars (to about 6th magnitude) and Milky Way is visible throughout.

QuickTime Movie (31.5 Mb)

Approximately 2 hours of stacked exposures of the summer sky over Gemini North. The setting moon provided light on right of dome and twilight provides a glow to the left side of dome, a small red light provides highlight on center of dome. . A star field has been offset by about 30 minutes to show individual stars separated from trails revealing Scorpius and Sagittarius over the Gemini dome.  

Link to wallpaper

A one-minute exposure of the interior of the Gemini North telescope by moonlight showing the 7story high telescope structure as well as the large wind vents for keeping the air inside the dome thermally stable. 

Panoramic view of the interior of the Gemini North dome and telescope, with the vents opened during evening twilight.

Date: 08/24/1999.

Gemini Observatory Image/Video Usage Policy

Gemini North dome/enclosure with setting sun (to left) lighting up bottom half of telescope through thermal vents (fully open). The observing slit is partially open revealing the truss and top end of the telescope. Looking carefully above the "top-end" ring of the telescope (just left of center), the planet Venus can be seen.

Snowcovered Gemini North at midday. January 1999.

Aerial view of Gemini North (middle-right), University of Hawaii's 88" Telescope and United Kingdom Infrared Telescope (right to left) at sunrise on May 25th 1999. The observing slit and thermal vents are fully open on Gemini and the truss and top end of the telescope can be seen through the observing slit. Behind the observatories, the shadow of the mountain can be seen. This image was obtained in 4x5" format and is available in extremely high resolution upon request.

Gemini North with northern circumpolar star trails. Snow is visible in foreground, image obatined from valley between east ridge and summit.January 1999

Full Resolution TIF (27.6 MB)

Medium Resolution JPG (120 KB)

Gemini Observatory Image/Video Usage Policy

Gemini North telescope structure with primary mirror installed and mirror covers open.