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Purple Mountain Observatory
16. Comet This is comet 1975 n taken with the Purple Mountain Observatory 40 cm twin refracting telescope on March 13, 1976. ⇦ Back to Page 15 On to Page 17 ⇨Hi-Res Pic (75K) Return to Purple Mountain - Page 3 |
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Purple Mountain Observatory
16. Comet This is comet 1975 n taken with the Purple Mountain Observatory 40 cm twin refracting telescope on March 13, 1976. ⇦ Back to Page 15 On to Page 17 ⇨Hi-Res Pic (75K) Return to Purple Mountain - Page 3 |