Peter,
A really good Astro website is Astro Blog Delta ( Astro.equadors.net )
There’s a tutorial there called “Processing a noisy DSLR image stack with Startools “
It runs through the whole process of image stacking and processing using DSS and Startools . Although 5 years old it is still relevant for DSLR Astrophotography using DSS and Startools
A very good resource
Cheers
Martin
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