Erecting the Cullen Peck Rook Observatory, 5/4/2008
by Ron Currens
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AAAP Mingo Creek SP Observatory
by Peter Johnson
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Observatory Details
by Chris Brennan
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2008 David Malin Awards Exhibition at Sydney Observatory
by strongmanmike2002
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10 inch Serrurier truss Newtonian
by Rolf Olsen
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Home Observatory
by Richard Fletcher
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LIGO Hanford Observatory
by Jeff B.
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PCA-SHN/BRI Tour of West Virginia, Green Bank -- Aug. 8, 2015
by A.G. Arao / noyphoto
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Griffith Observatory
by Scott B Nelson
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Lowell Observatory
by Orbit House Observatory
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