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Old 15-03-2013, 06:51 PM
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John K
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John K is offline
Join Date: Sep 2005
Location: Melbourne
Posts: 1,370
Identifying Flexure..Faulty Focuser???

Hi guys.

If my PHD guiding graphs appear quite good but I am still getting slightly elongated stars and the images I am getting are gradually shifting in one direction in the field of view is this likely flexure?

Can a helical focuser with "slop" in a short focus refractor used as a guidescope contribute greatly to flexure or is it most likely the attachment rings?

Thanks in advance for any advice anyone can offer!

John K.

Last edited by John K; 23-03-2013 at 01:23 PM.
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