Re: High RMS values with PHD2
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It looks to me like maybe your mount was slipping in alt? there appeared to be substantial polar misalignment in your setup
looking at your "before runs" that were working, you can see most of the corrections are in one direction ie polar alignment is off:
pier side east
pier side west
then your guidestar degraded and was lost
Also during your many attempts at calibration, DEC did not appear to be responsive, maybe a bad cable there?
even after a successful recalibration, your PA looked still substantially off. in the second guidelog things seemed better
you might do a guiding assistant run after your calibration and measure polar alignment, as well as get other recommendations for your guiding settings? you only need 2-3 minutes for that.