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Old 30-04-2021, 12:32 PM
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toc (Tim)
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Join Date: Mar 2006
Location: Mill park, Victoria
Posts: 745
Quote:
Originally Posted by Andy01 View Post
30 Sec exposures?

Amazing, what's the f ratio 2.8 or similar?
Are the stars round in all four corners?

Looking forward to seeing what you come up with.
So I did have a close look at it today - one side appears to have some slight star elongation on the edge, so I will need to look at it. Might need some collimation, or see if I can adjust the tilt of the camera somehow.
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