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The new GHS, or GenereralizedHyberbolicStretch for Pixinsight is getting quite a lot of attention recently. I have watched a couple of YouTube video regarding the script, but haven't had chance to use it yet. The script is installed the usual way through a url in the repository. A link to the GHSastro website for more information is below.



Edited by AstronomyUkraine
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Terry, yes I agree that It is more complicated than a simple histogram or curves stretch, I started using GHS when it was released at beginning of the year and I definately thought that the capability to 'tune' the stretch especially when trying to push the fainter details down near the noise does make a difference.  Also flattening the stretch curve with the highlights protection keeps the stars from being stretched too much as well.

I used GHS on my Orion Mosaic and also the Flame nebula.




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