A brief tutorial on using Siril via the Sirilic front-end.
The latter module can be "overdriven" to trade increased detail for increased (though perceptually equalised) fine grain noise "artifacts".
You are forgiven if, at first glance, you get the impression StarTools offers only the basics.
The Color module is very powerful - offering capabilities surpassing most other software - yet it is simple to use.
The two aspects - colour and luminance - of your image are neatly separated thanks to StarTools' signal evolution Tracking engine.
You can convert everything you see to a format you find convenient. Give it a try!