Looking good Martin!
When I used to use Startools I recall getting star halos from one of the processes, (might have been decon or sharpening) if I pushed it too hard - unfortunately I can't even open Startools anymore on my mac 10.14.6 to check which it was.
Anyway, your bigger stars appear to have this same result.
That being said, apart from the aforementioned coma, it looks good, well done!
