Quote:
Originally Posted by Atmos
I am still very amateur in all of this but I believe what is being mentioned is that on the top left part of the image the stars are elongated compared to the centre where they are pin point.
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We have had some collimation issues and also differential flexure between the guide scope and main scope. Probably with a little sensor tilt as well. Hopefully, we'll get it all dialed in soon...
Leo: I'm with you voting for an OAG. I have a Ceravolo 300 at home and it works really well with off axis guiding at 2700mm.
Cheers,
Rick.