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Hi everyone,

For two nights, I have had exactly the same thing happen. I am taking a four plate mosaic of M31. The first plate goes flawlessly, but when the command to move a small distance to the next plate comes, there has been a problem both nights. The slew takes an abnormal amount of time but finally ends. When the plate solving picture is taken there are star trails, indicating that the mount is still moving. After trying to resolve it my connecting and disconnecting the software, both nights I have finally had to resort to parking the mount at CWD and turning Gemini off and then back on. When I go out to the mount it is not at exact CWD position. The RA is off about 20 degrees.

When I correct the CWD and restart Gemini, everything works fine for the remaining three plates, including a meridian flip. I can find nothing binding on the mount that might have caused this problem, but to me that seems to be?the most likely culprit.

Does anyone have any other ideas?

Rob ?