As per Object after having performed a dither that is of 1, 2, 5 or 10 pixels the Ra and Dec axes do not return to the central position and remain on the peak that the dither has generated, only after a long time and after having burned several photos perhaps back in the central position after the next dither, I must say that he has been doing it for a short time and especially when the sky is hazy but not cloudy, I have an 80ed with 294mcpro and 224mc with oag zwo.
This happens even if the driving is perfect and with Oag the driving is always under 0.5 "so the driving works perfectly