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Old 13-09-2009, 08:03 PM
dpastern (Dave Pastern)
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dpastern is offline
Join Date: Jan 2009
Location: Brisbane
Posts: 2,874
Originally Posted by Grahame View Post
Wow Peter! what camera was this image taken with?
The same one as you've got. Well, same model etc.

I've seen a lot of this weird star shapes around 2/3 out with these GSO RCs, and I'm not sure if it's the focuser, camera isn't perpendicular to the light cone or the absence of a flattener, or out of collimation, or all of the above.

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