Quote:
Originally Posted by strongmanmike
I don't get this Greg?...if you have pretty close PA (perhaps not perfect) there will be a slow drift over time of the star but the off axis autoguiding adjusts for this, as well as for any periodic error in the system throughout a sub ...so, how do you get eggy stars?
My NJP had close but not perfect PA and produced round stars just as the AP now seems to do as well 
Mike |
Perhaps the difference between 1260mm and 3 metres.
Greg.