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M 3 (CVn) Technical data: 16"f/8-Hypergraph ST10XME with Astronomik-Filterset Typ II RGB (R=3x600s; G=3x600s; B=3x600; channels bin1) Comments: FWHM about 2,8-3,0", very foggy skies, AO7 guiding rate 2 Hz Author: Bernd Flach-Wilken
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