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I'm still dizzy after processing this one for each LRGB filter. Comet 21P meets open cluster M37 in the night/morning of 10/11 September, at perihelion. This is a combination of 60s x 30 x 4 subs, taken through the SW130PDS with an ASI1600MMC. https://www.astrobin.com/366252/ No deconvolution applied, only noise reduction. About the remaining noise?! ... yes, please. Unfortunately the light pollution at home didn't let me record more. Thanks for watching and clear skies! Alex