Quote:
Originally Posted by pkinchington
Ok Jahn - I'll have a look at the exposures I weeded out the ones that had clouds in them. If there is any wisp of cloud in any of the exposures could this lead to diffraction of stars in the final stacked image.
Cheers Kanga
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Hi Kanga, I was thinking about star trails, so any frames where your star is a short line rather than a dot. This happens, even when well aligned. I think this might be what is happening with the longer spikes on the stars (though it may not be), and yes, I can see there are uniform, smaller spikes around the starts too, which may be the F-stop issue (again, which i have no experience with).