Astrophoto menu
Deep sky processing
I am roughly following this tuturial (in French) from the YouTube channel AstroNOTE.
With Siril
- Preprocessing, alignement and stacking
- Neutralisation of the sky background, white balance, histogram
- Gradient and green noise removal
With Photoshop
- Levels, alignement of colors, curve
- High-passs filter on DSO (incrustation mode) + sharpen more
- Noise reduction
- Saturation layer mask on DSO
- Saturation layer mask on DSO + stars
- Saturation layer mask on sky background
- Star reduction
- Sky background noise reduction
- Levels, curve