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Hi all,
I watched Cuiv's latest video last night about processing with free software - Graxpert, Siril and GIMP.
I've never used Graxpert before so thought this a good chance to try it out. I'm impressed with how well it dealt with the uneven gradient and then de-noised the stacked image.
I'm undecided about the colour change - my previous non-Graxpert image has a distinct blue/grey tinge to the galaxy's arms, whilst the Graxpert processed file has gone back to the beige palette.
I'll keep Graxpert in my tool kit and test further with different images and see how it all turns out.
The image below used the same stacked image as the previous one and aside from the Graxpert background extraction and noise reduction was processed in exactly the same manner. (Siril, starnet++, Affinity Photo.)
Oh, if you're using a macOS device with an Intel CPU then the Graxpert De-Noise AI routines version 3.0.0 and 3.0.1 do NOT work. They crash out with an error. The AI De-Noise routine v2.0.0 works fine.
Cheers,
V.
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