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发表于2024-11-12
Double Stars for Small Telescopes pdf epub mobi txt 電子書 下載 2024
This catalog of dounle stars is among the most comprehensive ever printed. With over 2,100 star pairings listed with coordinates, color, and interesting information about every pair, Double Stars for Small Telescopes is an essential addition to the library of every astronomy enthusiast. 248 pages, 8 1/2 x 11 invhes, softcover.
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Double Stars for Small Telescopes pdf epub mobi txt 電子書 下載 2024