5 Free Photos of Ptolemaeus (crater)

historyhistoricalalphonsus (crater)weinek mond-atlas iweinek mond-atlas vii
Weinek Mond-Atlas T015
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Weinek Mond-Atlas T016
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Weinek Mond-Atlas T139
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Weinek Mond-Atlas T140
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Astronomische Beobachtungen an der k. k. Sternwarte zu Prag 4 VII
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