Hi Geoff,
Looking good & on it's way to a very nice image with a lot more work.
"Processing comments welcome"
Possible improvements? - some ideas:
Maybe use star mask on all 3 channels right from the start of processing to keep the star sizes down -
maybe even make a starless version with "content aware & fill"
in Photoshop & add the stars later.
Also looks like it needs more careful stretching to obtain greater detail
of the small brightness changes in the nebula areas.
It could also be over smoothed in the nebula areas - I'm not sure.
Did you stretch the FITS stacks in 32 bits?
NASA FITS Liberator is great for that & it's free.
I would also play around with "selective colour" in Photoshop to see what pops out.
cheers
Allan
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