I'm unsure why this is but as I increase magnifacation with my other plossi eyepieces I now get distortion. Looking last night at the moon rise I noticed an orange planet left of the Moon. I'm assuming Mars. As I changed the EP from 30mm to 20, to 15, 10 the image got bigger, blurrier and not round. Sort of squashed. Now I think some of the problem is smoke in the upper atmosphere as the Moon was very Orange last night, But I also am starting to think there is a limit to how much you can magnify with a 203mm Reflector and a limit with the EP's.

Or am I still having other mirror issues even though Collimation has been sorted out.

Your advise & comment please.