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Originally Posted by Octane
John,
Were you taking multiple darks and then median combining them? I find that if I take 15-19 dark frames and median combine them, I don't have amp glow issues, and that's with 10-minute sub-exposures, using a Canon EOS-350D.
Regards,
Humayun
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Yes, multiple - but not that many, typically 8 for me, 19*10 mins wow...you do this for each imaging run? What about temp changes? Do you leave your camera outside to collect the darks?
I found my processing error - I used different Bayer conversions between lights and bias (in error) so here is a re-processed result - still very green though...