| Mt Hamilton The Lick and Crossley Telescope Domes |
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| Mount Hamilton Observatories Seen from Saratoga, about 21 miles way Canon Rebel XTI and Tak FS-152 Mouseover for labels The Lick Refractor was used by E. E. Barnard to discover the last moon discovered visually. The Crossley Reflector was used by James E. Keeler to photograph the first objects too faint to be seen visually. Mount Hamilton is the first permanently occupied mountain observatory and bridged the transition from visual to photographic astronomy |
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