Altair, Gemini North's Adaptive Optics System, has been under repair. It is now in a state where it can be used in Natural Guide Star (NGS) mode. We will resume offering Altair in NGS mode starting with the upcoming Fast Turnaround cycle. Further work is needed before we can offer Altair in Laser Guide Star (LGS) mode. We will post updates and inform the NGOs when we are certain of the schedule.
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