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 March 27, 2025 GHOST available again - Arc lamp replaced March 26, 2025 GHOST temporarily unavailable View All News Search the Yale Bright Star Catalog for point source standards.