Gemini 2025A observing programs and schedule have been announced!

Notification emails were sent to successful PIs on December 13, 2025. Please check the schedules page for more information.

Note that the latest version of the Observing Tool is required to access and update 2025A programs.

Comet C/2023 A3 (Tsuchinshan–ATLAS) at dawn over Maunakea. The zodiacal light is seen to the left. 

Credit: International Gemini Observatory/NOIRLab/NSF/AURA/M.Rodriguez