Stacking of your images is the easy part, with many quality, free apps available.
But post-processing is where astrophotographers make their hard-won data really count.
StarTools lets you push your signal harder, with unrivalled fidelity.
StarTools does more than just help you make "pretty pictures".
StarTools is famous for its Color Constancy color rendering.
It is up to you how you wish to approach image processing.
The Color module is very powerful - offering capabilities surpassing most other software - yet it is simple to use.
You can convert everything you see to a format you find convenient. Give it a try!