M101 is a beautiful face-on spiral galaxy distanced 21 million light-years away from earth in the constellation Ursa Major (wiki).
I have tried to take a picture of thePinwheel Galaxy several years ago, with a smaller refractor and DSLR. And after 2 years with my 20 cm Newton it came time to make it better..
 

Dimension: 28.5' x 28.3' 
Magnitude: 7.9
Surface brightness: 14.9

27-28.3.2017

Optics:
 

Camera:
Filters:
Mount:
Guider
Exposure:

NoName Newton 200/800
+ GPU c.c.
Atik 428EX
LRGB Baader.
SW AZEQ-6
Lacerta MGEN
54x5 min. (L)
20x5 min. bin 2x2
(R,G,B each )

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