I’ve just posted a fairly long article on Diagnosing Trailed Stars on my web site.
Click on the image or link to see a larger version with more information.
Trailed, or elongated stars in long-exposure astrophotographs are something that every astrophotographer runs into sooner or later. Usually sooner!
I’ve got a lot of tips here to help you diagnose and solve problems with trailed stars.
Let me know what you think!
Jerry
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