Quote:
Originally Posted by Slawomir
My mount tracks okay, but I can see some degree of star elongation in some/most of my 15-minute subs.
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Presumably for those subs with elongation your guiding graph must be worse than the one you attached above, i.e. worse than 0.45" total RMS? What sort of FWHM are you getting?
Unless there's some sort of differential flexure (though I see you're using an OAG, right?)??