V500 Aquilae
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What links here
Hale Telescope
Alcor (star)
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Metallizing
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Mount Wilson (California)
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Palomar Mountain
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Neil Gehrels Swift Observatory
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Hale
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Equatorial mount
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NGC 2403
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Russell W. Porter
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Coronagraph
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Henrietta Hill Swope
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Isaac Newton Telescope
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William Herschel Telescope
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ESO 3.6 m Telescope
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Francisco (moon)
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Anglo-Australian Telescope
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Lee A. DuBridge
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David Dunlap Observatory
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David C. Jewitt
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Lucky imaging
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Halton Arp
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George Ellery Hale
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1949 in science
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Trinculo (moon)
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Speculum metal
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Moons of Jupiter
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Sycorax (moon)
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Observational astronomy
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Collier's
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Palomar Observatory
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List of largest optical reflecting telescopes
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Active optics
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Mount Wilson Observatory
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History of the telescope
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Caliban (moon)
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Ritchey–Chrétien telescope
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Astrophotography
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3 Juno
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Timeline of telescopes, observatories, and observing technology
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Halley's Comet
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Brown dwarf
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Quasar
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January 26
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Edwin Hubble
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Exoplanet
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California Institute of Technology
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