Gemini Observatory News
Astronomy news and discoveries from the Gemini Observatory.
2026A Semester Shutdown Cancelled
10 Jun 2026 at 3:03amThe 2026A shutdown originally scheduled for June 15–July 2 has been cancelled.
Gemini North will continue routine nighttime science operations, to recover observing time lost during the recent Primary Control System fault.
If you would like to make adjustments to your observing program as a res...
Read more...Gemini North Resumes Operations with Temporary Restrictions
7 Jun 2026 at 9:00pmWe have completed an interim solution for the Gemini North Primary Control System issue and have also resolved additional issues encountered during the recovery effort (see also posts from May 15, May 20, May 30, and
Read more...Work continues to recover Gemini North Primary Control System
5 Jun 2026 at 2:36amWe continue to work on the Primary Control System issue (see also posts from May 15, May 20, and May 30). During the implementation of an interim solution, we encountered additional issues that must be resolved before testing can proceed.
Read more...2026B Observing Tool Available
2 Jun 2026 at 8:33pmThe 2026B Gemini Observing Tool is now available for download.
This version is required to access the Gemini Observing Databases.
Please see the download and installation instructions on the Observing Tool web page which includes the release notes for this version.
Read more...June 2026 Call for Proposals
2 Jun 2026 at 3:42pmGemini North and South are accepting proposals for the Fast Turnaround (FT) program in this call. Here, we give information specific to this proposal cycle. Please see the other FT pages - particularly the rules - for general information about the program. FT (dual anonymous)-specific proposal te...
Read more...Observing Databases offline June 2
1 Jun 2026 at 7:22pmThe Gemini observing databases will be offline for several hours on Tuesday, June 2 while we perform software updates.
During this time the following services will be unavailable:
Observing Tool synchronizations and file transfers Phase I Tool guide star probability queries Target of Oppo... Read more...Gemini North offline until at least June 1
30 May 2026 at 10:06pmWe continue to work on the Primary Control System (see also posts from May 15 and May 20). This week, efforts focused on implementing an interim solution. At this time, it is not yet clear whether the interim solution will be successful. The telescope will remain offline until at least Monday, Ju...
Read more...Update: Gemini North offline until at least Wednesday, May 27
21 May 2026 at 12:31amAs remediation efforts for Gemini North’s primary mirror control system fault (see post from May 15) continue, it is now clear that the telescope will remain offline until at least Wednesday, May 27. At that time, we will reassess the situation and provide a further update on the possible restora...
Read more...Gemini North offline for repairs
16 May 2026 at 4:26amA fault in the Gemini North primary mirror control system has prevented night time operations since Wednesday, 2026 May 13. Replacement mechanical parts are required but are not currently available in Hawai‘i. We are working toward an interim solution that may return the telescope to on-sky opera...
Read more...May 2026 Call for Proposals
1 May 2026 at 11:34pmGemini North and South are accepting proposals for the Fast Turnaround (FT) program in this call. Here, we give information specific to this proposal cycle.
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