Reported via phone call by Ron Wodaski of Tzec Maun Foundation. Paramount ME, TheSky X, ACP 7.2. If you use #TRACKON and orbital elements (for imaging a moving comet or MP) ACP tracks the orbital body, but at the end of the run, TheSky X remains in "Tracking at custom rates", and the mount is tracking at some creeping rate.

The code that was put into ACP 7.2 for the Astro-Physics mount (see ACP-841 - Offset Tracking Fails Due to Test With Tracking Off, rev. 747) is OK, but the code in AcquireImages that runs at the end of a plan fails to turn off tracking. THe reason is that TheSky X returns Tracking = False even if the mount is tracking but with offsets. In other words, Tracking = True is true only if tracking at exactly sidereal rate. I suppose you could read that from the ASCOM spec... So I made a change in AcquireSupport and verified that it is OK. I can't imaging it hurting any other scopes.

ACP-841 - Offset Tracking Fails Due to Test With Tracking Off