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M 101

M 101, also known as the Pinwheel Galaxy is a spiral galaxy approximately 21 million light years from earth. The galaxy is in the constellation Ursa Major (Big Dipper).

Date: August 21, 2014
Scope: 14 inch Celestron CGE 1400.
Focal Length: 3910 mm; 675 mm with HyperStar
f /1.9 with HyperStar
Camera: Nikon D5200
ISO Setting: 400
Duration: 5 minutes per photo.
11 Light Frame photos 10 Flat frames Stacked using Deep Sky Stacker
Autoguided using PHD with StarShoot Guide Camera