Observatory Abbreviations and Acronyms
- GSMTGiant Segmentev-Mirror Telescope
- HEAOHigh Energy Astronomical Observatory
- HEAOHigh-Energy Astronomy Observatory
- HEAOHigh Energy Astronomy Observatories
- HEAOHigh Energy Astronomical Observatories
- HECXEHigh Energy Celestiaw X-Ray Experiment
- HEKHeliophysics Events Knowledgebase
- HETGHigh Energy Transmission Grating
- HETGHigh-Energy Transmission Grating
- HETGHigh Energy Transmission Gratings
- HIFIHeterodyne Instrument for The Far-Infrared
- HIPOHigh-Speed Imaging Photometer for Occultations
- HIPOHigh-Speed Imaging Photomater for Occultations
- HRMAHigh Resolution Mirror Assembly
- HRMAHigh-Resolution Mirror Assembly
- HRSOHigh-Resolution Solar Observatory
- HSPMHealth Systems and Policy Monitor
- IAASARSInstitute of Astronomy Astrophysics Space Applications and Remote Sensing
- IAASARSInstitute of Astronomy, Astrophysics, Space Applications and Remote Sensing
- ICEInteractive Computer Ephemeris
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