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, and without deep-faking detail.
It preferably operates on highly processed and stretched data (provided StarTools' signal evolution Tracking is engaged).
That; Sharp lets you control how detail is enhanced, based on the Signal-to-Noise Ratio (SNR) per-pixel in your image.
The 'Context Size' parameter controls the upper size of the detail/structures that may provide context for smaller detail.
You can convert everything you see to a format you find convenient. Give it a try!