Quote:
Originally Posted by Grahame
Wow Peter! what camera was this image taken with?
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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.
Dave