Quote:
Originally Posted by BruceG
...I also would have like to bring out some stronger colour or intensity in the Ha regions - I know it's only 30 minutes of integration, but I might be able to get some more out of nebulosity after a few more plays with it.
... - I'm an old darkroom type who until now has not dabbled in the digital world.
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Hehheh, yeah I have a darkroom under the house my father built for me in 1982. It had 20 years of use before I permanently converted to the dark, I mean digital side.
As for colour intensity in the Ha regions, it's easy in Photoshop. Here I duplicated the image, selected the red channel, copied it back onto the original as a luminance layer and then adjusted the saturation to compensate. It's noisier, as any aggressive processing would be, which is why we always need more and more subs. The more subs, the harder the image can be pushed to bring out the faint bits before noise takes over.