Re: Adjust CP4 Clock Frequency
So if I understand correctly, using your scope, unguided, and with APCC corrective tracking, you can plate solveNo, I'm not saying that at all, although I'm sure under some conditions that would be possible.
What I'm saying is most people would not want to do that. Most want to randomly dither the telescope position between images to average out differences in pixel sensitivity and noise when stacking images. Dithering obviously will change the image center between images. And cases where low pixel resolution (e.g. camera lens) dithering can be used to increase effective detail in an image.
So acceptable unguided performance is needed only for the duration of the longest exposure. There's little advantage for tracking to be better than that, but it's great that you are able to do that via a closed loop process.
Anyway, hopefully you can try Roland's test so you can validate your mount's sidereal tracking rate.
Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro
Author of PEMPro V3: https://www.ccdware.com
Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver