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Hi Martin,
well done - that's not clipped anymore and shows a lot more detail in the darker areas.
As for Startools - I've never used it so I don't know enough about it to comment.
I attach a picture of NASA FITS Liberator after I clicked on
Stretch function and you can see all the options to try.
I used to try many different options and just look at what it did.
If I wanted to bring out detail in dark areas I'd choose
the function x^(1/5).
Other times on bright nebulas , ArcSinH (x) stretch was good.
cheers
Allan
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