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Purple Mountain Observatory
25. 60 cm Aperture Reflecting Telescope This is used for photographic, photoelectric and spectral observations. ⇦ Back to Page 24 On to Page 26 ⇨Hi-Res Pic (220K) Return to Purple Mountain - Page 4 |
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Purple Mountain Observatory
25. 60 cm Aperture Reflecting Telescope This is used for photographic, photoelectric and spectral observations. ⇦ Back to Page 24 On to Page 26 ⇨Hi-Res Pic (220K) Return to Purple Mountain - Page 4 |