ah, thank you for the 2nd photo. so you assume or know that this shape is due to the mount being maxed out.
bugger.
have done my first prime focal the other night and they show the same pattern. I hoped that if I get a proper focuser and the t-adaptor those mechanical bumps would be smoothed out. (have only used rubber band to attach camera to R&P focuser) but you are probably using the proper mounting - and yoour images show the same features. okay. *sigh*
thank you again!
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