Yeah, it wouldn't surprise me if there was some tilt in there as well.
I plate solved the image and the rotation is in RA... if it was polar alignment, wouldn't it be in DEC?
I may have solved my mount issue (there is one, whether it's causative of this issue or not). I had the camera plugged into my rig runner before the mount, so the camera was getting first dibs at the power. I swapped it tonight and for the first time in a long time, I didn't get the PHD warning about RA and DEC rates being different, and from what I saw, the RA corrections didn't seem like they were constantly in the same direction.
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