Moving a dob is not difficult and everyone has their favourite technique.
I like to put two fingers (the ones a person uses to make a V for victory sign) over the top rim and put my thumb against the outside of the tube. This allows for good control in my 8" dob.
As has already been noted the higher the mag the quicker things move through your field of view. Only solution is a bigger scope with lower mag.... aperture fever strikes .
Brian
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