Cas Nebula or IC59 & IC63

Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C. 50 x 5 minute exposures (4 hours 10 minutes) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.

 

Processed in APP, Pixinsight (based on www.youtube.com/watch?v=QV6ObLVRvNk ), Topaz denoise and Photoshop.

 

Passing clouds and occasional puffs of wind, 6 hours of data unusable.

 

19:38 - 05:15 UTC, 3rd/4th November 2021.

Done