Onsala Space Observatory National Radio Astronomy Observatory Orbiting Carbon Observatory Indian Astronomical Observatory Algonquin Radio Observatory National Astronomical Observatory of Japan Orbiting Carbon Observatory 2 Sudbury Neutrino Observatory Jodrell Bank Observatory Orbiting Astronomical Observatory Orbiting Astronomical Observatory 2 South African Astronomical Observatory Smithsonian Astrophysical Observatory Star Catalog Compton Gamma Ray Observatory Dominion Radio Astrophysical Observatory Observatorium Kerajaan Warkworth Radio Astronomical Observatory Observatorium Haystack Mullard Radio Astronomy Observatory Deep Space Climate Observatory Observatorium Sydney Herschel Space Observ…

vatory Observatorium Lick High Energy Astronomy Observatory 1 Observatorium Angkatan Laut Amerika Serikat Observatorium Union Observatorium Cambridge National Anti-Corruption Observatory Infrared Space Observatory Special Astrophysical Observatory of the Russian Academy of Science Observatorium sinar-X Chandra Cosmic-Ray Extremely Distributed Observatory Observatorium Reedy Creek Observatorium Selatan Eropa LIGO High Energy Astronomy Observatory 3 Swift Gamma-Ray Burst Mission