Ill ask this as a basic silly question for a start.
What is your guiding scope On axis or off axis guiding?
Secondary what is your definition of not much movement? mine is at the end of the CW bar 1-2 mm max
Have you pulled the mount completely down, made sure you have set the RA and DEC gear by shimming, Re lubricated and re adjusted.?
Ill put it on the record, i don't like PHD. But, when you do your calibration does it land exactly back on the same spot you started, if you don't just because it says its calibrated means squat, its just taken a average.
I have seen massive jumps up down left right because of poor calibration routines. If you cannot get a perfect + then start again and hence why i do not like PHD, you cannot tweak the guiding on the fly and change the huristics and it needs a massive step amount.
Maxim only needs 5 pixels and it moves left right up down done. I can get this done in about 30 seconds to a minute depending on the part of the sky that im looking at SCP or East/West.
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