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James Edward Keeler
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Photographs of nebulae and clusters made with the Crossley reflector
James Edward Keeler · W.W. Shannon, superintendent of state printing
343 sayfa · 1908
Crossley reflector / Clusters / Nebulae / Stars / Astronomical photography
Photographs of nebulæ and clusters
James Edward Keeler · W.W. Shannon
70 sayfa · 1908
Nebulae / Stars / Clusters / Astronomical photography / Crossley reflector