Hi Matt
Recently Allan Gould posted a link to
MetaGuide and upon following the link, I read that
Metaguide:
“
Measures flexure/mirror flop using two telescopes, two web-cams, and two instances of MetaGuide that link to each other”
So, if you have the time, it might be worth running this test on your current set up to quantify the amount of flexure and the potential source(s)?
I’m waiting on a spell of good weather and some motivation before I try this experiment myself, just to add to my knowledge of how my mount and side-by-side system behaves. Oh and from the website…
"MetaGuide is free, easy to use, works with any type of telescope, and most web-cams".
Cheers
Dennis