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Done with 12 inch newt on G11 mount autoguided with guidedog and ed80, unmodded 350d , 8 exposures of 360 secs at 800. 4 darks at same exposure done on the night.... i find i get better results that way, i used to do a bank of darks and reuse but i gave up on that.
Stacked and dark subtracted in AIP4 Win, taken to photoimpact12 for levels and selective color saturation (red-yellow) resized to 25% (for your image), taken back to AIP for highlight sharpening so its only working on galaxy brighter sections then remerged with copy of prior to sharpening to retain a softness to the galaxy but still show some detail.... to me that looks better than seeing artifacts. thats pretty much it .... no noise reduction as you just lose detail.
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