International Ultraviolet Explorer
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Ritchey–Chrétien telescope
Cassegrain reflector
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South African Astronomical Observatory
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Indian Astronomical Observatory
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Schmidt–Cassegrain telescope
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Herschel Space Observatory
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Kopernik Observatory & Science Center
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Small telescope
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Extreme ultraviolet Imaging Telescope
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Hale Telescope
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Marco Cavagna
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New Technology Telescope
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Liverpool Telescope
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RCT
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Coma (optics)
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WIYN Observatory
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GALEX
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Spitzer Space Telescope
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IRAS
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Reflecting telescope
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XMM-Newton
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Spherical aberration
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Yerkes Observatory
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List of telescope types
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Henri Chrétien
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George Willis Ritchey
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European Southern Observatory
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Astrophotography
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Bend, Oregon
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RC
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United States Naval Observatory
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Hubble Space Telescope
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Kitt Peak National Observatory
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Ritchey-Chretien
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Ritchey-Chrétien
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