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Pinwheel Galaxy or M101

Skywatcher 190MN, NEQ6 mount, Altair Tri-|Band filter, ASI294MC Pro at -20C. 45 x 5 minute exposures (3 hour 45 minutes ) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.

 

Processed in Pixinsight Topaz denoise and Photoshop.

 

Collected between 0:38 to 2:07 on the 21st and between 22:35 and 1:08 on the 22nd/23rd of March, 2022.

 

Passing thin clouds.

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Uploaded on March 23, 2022