Quote:
Originally Posted by Amaranthus
DEC zero, not ALT zero  At my horizon, this is about 55 degrees altitude at the Meridan. Look up "Celestial Equator" for the theory.
PEC = Periodic Error Correction - corrects systematic anomalies in your worm drive, after a few cycles of training. |
Ahhh thanks Barry, my bad! All makes perfect sense now. So DARV gets you pretty much perfect polar alignment, then only the periodic error which must be dealt with, either with PEC or true autoguiding.
That is awesome, means I wont have to worry about a polar scope at all, even if one ends up coming with the G11.
Now if I did want to do long exposure (lets say 30 minutes +), what would I need for the guiding side of things in terms of equipment?