M91
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CFF250RC/QHY163M
Astrodon LRGB
Astro-Physics 1100GTO
L=235x1min, 75x3min
R=141x1min, 21x3min
G=144x1min, 19x3min
B=143x1min, 15x3min
Total = 17hrs 33min
Gain=75, offset=35
This was an experiment of 1) short exposures and 2) 0.39 arcs/px scale.