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M31 in RGB


polakovic

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Can I ask what LP suppression you're using? That's always been my problem with RGB galaxy imaging, unwanted colour gradients.

It's a nice image, I'm surprised to hear 'first RGB image' and 'Adaptive Optics' in the same post :D

Actually no LP suppression, just Baader RGB filters and DynamicBackgroundExtraction tool in PixInsight on each channel...

Well, it is not my first image at all, just first RGB experiment :-) Mainly because of light pollution I'm shooting narrow band only. I'm using Adaptive Optics for RC8, but BabyQ has backfocus long enough to use it as well. Unfortunately it doesn't have focuser good enough for the weight of AO as you can see in upper left corner :(

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