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Yes Octane takes sucessful flats by using his laptop screen as a even light source. For me, I illuminate the wall of the garage with a hand held fluro light while pointing the scope at it. Thats okay for me but we would get shot if we did that at a viewing night lol. I have to take a flat after each image as the off axis guider rotates the whole assembly, camera included each time I look for a guide star.
Eric, with a smallish object like that, if you have Gradient Xterminator you can draw round it then run it, it will flatten the field around the galaxy.
Iris is pretty good with flats even if not the same length or temperature, of course best results are if the darks are the same but even if not its worth trying.
Scott
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