Thanks AstroMuni, I also don't see any problematic behavior in the log. What I have done differently is that the first part of the night, before flip, guiding reused saved calibration. Once I seen that it is using it, I have changed the setting to be sure that after flip it will calibrate. And this could be the root cause. I am going to capture also this night, so I will check what will happen after flip, and I will not disable the calibration reuse.

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