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Thanks Suavi.
For what it's worth
My PI preprocessing and post processing workflow is a little unconventional, for PI, anyway. I find it better for RAW data and it is similar to the IRIS / Siril DSLR workflow and may be performed in AstroArt and Regim, but not DSS, as far as I know.
1. Pure RAW
2. Create Superbias
3. Create master dark (no bias subtraction - no dark scaling - dark = light exposure time)
4. Subtract superbias from flats and stack
5. Calibrate lights as follows; with scaling if desired
Signal = lights - master dark/master flat
Post processing
1. Crop
2. BackgroundNeutralisation - usually adequate - otherwise ABE.
3. ColorCalibration - no previews
4. HistogramTransformation
5. SCNR - reduce green
6. Extract L* - boost contrast and apply as inverted mask
7. HDRMultiscaleTransfomation
8. LRGBCombination - add luminance to RGB to saturate colour
9. HDRMultiscaleTransformation
10. ColorSaturation
11. TGVNoise with mask RGB/K and CIE Lab
LRGBCombination with L* only is a way to boost saturation with luminance retention. In find it works very well.
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