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Originally Posted by Addos
Nice one! You got some real nice detail in the POI, and did a great job getting natural looking star colours out of nb data!
Can confirm from my own experience - not much Oiii to be had on this one. Finding that with quite a few of the Milky Way core nebs. If you want those deeper blues in the scant Oiii regions that do come through recommend blending non-linear images, and getting flagrant with pre-blend curve adjustments on that chan.
If I could offer a small bit of unsolicited advice? You got a fantastic setup that will deliver really nicely contrasted, low noise images. Don't be afraid to brighten the background / not cut the blacks as aggressively and bring out the faint details on the edges and maintain the smaller graduations in shading in the dark nebula regions. On the noise front - cant recommend Russel Croman's NoiseXTermimator enough. Simpler and more effective than TGV/MLT/Mure IMO. You can also control noise to a degree by using your Ha channel as a synthetic lum.
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Cheers Adam
Funny you say that. I did use NoiseX on this, and it was good. But I stretched this thing and did curves adjustments so many times, NoiseX just struggled to keep up. I probably worked this image easily 20 times. There are some versions with much more bright surrounding nebula as you suggested, but I chucked them out. The Ha picked it all up; there's bucketloads of the stuff about, but the colours just looked all wrong
When I get on top of the colours for this one, I'll take another look at bringing them through because there's quite a lot of nebulosity that the camera picked up.
edit: but yeah, I was actually really chuffed with the star colour. Found a new technique for that one
Will be doing it on as many of my NB images as possible now.