try as previously suggested a 1x guide rate, this will be set through your hand controller, that rate is 15 arc secs per second.
When you auto calibrate does the star go through its routine then lines turn green, and if you watch while guiding does the program seem to over correct, (the star bounces back and forth... this could suggest to fast a guide rate,) i find if possible for me that a one second interval works well
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