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Object: Messier 13 - Great globular cluster in Hercules, mgn 5.8, dist 22.2kly - 2017-05-04Discovered by: Edmond Halley 1714 Note: Telescope=Celestron-C9,25-CGE-with-Reducer-FL=1480mm Camera=ZWO-ASI-1600M-Pro-Cool Exposures=2x300, 12x240, 4x120 ISO 800 Page 40 of 129 First version of picture: Version 1
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