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the other thing to try would be to load your phd log into PECprep. that will show you the tracking error in arcsecs if you load your guide scope fl and pixel size - I don't think you should check the DEC offset correction box. It will show true tracking error and, although it won't show true PE, the curves it produces as "PE" should show how much PE is leaking into your guiding.
You can also use phd to check how good your PA is by just turning off the mount correction and seeing how much drift you get.
Last edited by Shiraz; 28-04-2015 at 08:29 AM.
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