Taken 29-Mar-17
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Messier 3 in Bootes

Distance:33,000 ly / Apparent size: 18' / Brightness:6.4mag / Class: Gb / Stars:500,000 / 212 variable stars / many young stars / Luminosity: 300,000 Suns / Mass: 245,000 Suns / Diameter:220ly / Core diameter, 11 ly / Gravitational diameter: 760 ly / Spectral type: F6 / B-V index=0,69
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Single exposure, t=302s, ISO800, Nikon D7100, TOA-130 (f/7.7), NJP-JPZ mount.

Categories & Keywords
Category:Scenic
Subcategory:Night Sky
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Messier 3 in Bootes