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In DSS ensure hot pixel removal is not selected on the Cosmetic tab when stacking, I had thought this could cause the centre of the star to be spots, like the images Ivo shared. happy-kat, I owe you a beer! Many thanks for helping. I think your suggestion re not Detecting & Cleaning Hot Pixels on t...

Many thamls for uploading that Fran. This is an odd one. The stellar profiles look nothing like an Airy disc. There is a distinct "second plateau". It's almost like two different exposure times (or gains) were mixed? Selection_196.png and Selection_196.png Do all light frames look roughly the same?...

Hi Ivo, Thank you for looking at this for me, it is very much appreciated. My imaging train consists of only the SkyWatcher field flattener made for the Esprit scopes, a couple of ZWO spacers, and the camera. Exposure time was 60 seconds; about two hours worth. Flats , dark flats, and darks used to ...

Hi, Relatively new user of Startools. I use an Esprit 100 ED refractor with an ASI294MC Pro OSC camera. All looks well in my processing (to me) until I get to the color module. When I run the color module, my large star colors seem OK, however the smaller star cores are green. I use Deep Sky Stacker...