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Astrophotography
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Messier Objects
Messier 101
M101
Integration Time: 11.5 hrs
6hrs Luminance
1hr each: G, B
2 hrs: R
1.5 hrs: Ha
Camera: Atik 314L+
Imaging Scope: Orion EON80ED
Featured on BBC's Sky at Night, May 2011
© Anna Morris