Hi Peter,
What scope is this with?
You seem to have either some field curvature or maybe the camera isn't sitting square in the focusser on the bottom LHS.
Don't add the false diffraction spikes, they add nothing to the image, real ones can't be avoided, but false ones?
Nice satellite through the red? sub.
Really nice area too, I'll have to get some pics of that area myself if the cloud ever goes away.
Cheers
Stuart
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