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The Pinwheel Galaxy

Messier 101 (M101), also known as the Pinwheel Galaxy, is a spiral galaxy located in the constellation Ursa Major, the Great Bear. The Pinwheel Galaxy lies at a distance of 20.9 million light-years from Earth. It has the designation NGC 5457 in the New General Catalogue. Technical Info:

15 x 300 sec. Badder UV/IR Cut filter

Gain 200, Offset 50, Binning 1x1

Total 1.25 hours

Explore Scientific 102mm f/7 APO Refractor

Sensor cooled to -25°C on ZWO ASI294MC Pro (Color)

Calibration frames: Bias, Darks, and Flats.

Plate Solve ASTAP via N.I.N.A. 1.11

Image processing Pixinsight 1.8.8 and finished in Photoshop CC 2021

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Uploaded on March 23, 2021