Messier Objects

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Photo Info

Dimensions946 x 1304

Original file size3.56 MB

Image typeTIFF

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