It was so clear, sunshine, and the sky was so blue in the morning 2 days ago. So, went to PTC to go on gathering the photon of M33. However, bad luck again. I arrived there together with cloud too and then left with much frustration.
Tried the correction exposure ratio for each RGB channel but not so successful.
R : G : B=1x300s : 1x270s : 1x300s w/o any dark, flat and bias calibrated
Bad luck again
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