You are hereGemini ObservatoryInstrumentationCurrent Instruments`Alopeke & ZorroCalibrations Point Source Standard Search Updated January 11, 2025, by astephens Content owned by astephens Share Tweet Calibrations Point Source Standard Search Announcements July 1, 2025 Switchover to new GMOS-N R400 on August 1 (HST) July 1, 2025 GMOS-N B480 unavailable from July 3 (HST) for ~3 weeks View All News Search the Yale Bright Star Catalog for point source standards.