Re: having guiding problems
"Not necessary unless you want to do unguided imaging"
How long could you go, unguided, with the Mach1 mount...under 800mm
--- In ap-gto@..., chris1011@... wrote:
I have notnext
periodicyet done so.Not necessary unless you want to do unguided imaging. PEM is for
error compensation. That means during any unguided imaging, you candrastically
reduce the priodic error (which is a very slow moving error thatcrops up after
tracking for a fairly long time period within the 6.4 minute wormcycle). The
error is small to begin with, between 3 and 5 arc seconds, so thereis no use
trying to chase your guiding problems with yet another issue - anissue that
really does not affect guiding one iota.