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That result is very good Peter. Nice colours and good detail has come through. As far as workflow goes, I offer the following:
* Any cropping can be done first thing rather than towards the end of the process. This can help when using ABE/DBE as the process will only have to work on the relevant parts of the image. It also removes any black edges left over from the image registration and stacking process.
* Colour calibration is normally done at the linear stage, before stretching with the histogram tool.
* I don’t see any noise management activity in the workflow. This can be included after colour calibration and before the initial stretch. Additional noise management processes can also be applied later on in the workflow when the image is non linear.
* All of the steps mentioned that were executed in Photoshop can be completed just as well, if not better, in Pixinsight. It would be worth exploring these further in PI.
* If the image must be handed over to Photoshop for further fine tuning then save it as a 16 bit TIFF file so as to not lose resolution and quality by saving in a lossy format such as JPEG.
I hope that helps Peter. If you check out the site “Light Vortex Astronomy” he has some good tutorials that go through noise management, colour calibration and many other processes in PI.
Clear skies,
Rodney
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