Quote:
Originally Posted by DavidTrap
Old fashion drift alignment is easier if you can correct for azimuth when pointing up and altitude when pointing to the horizon. My guess is that it is also easier for the "computer aided" polar alignment routines that many use with the mounts you mentioned above. These routines usually say to turn the azimuth & altitude knobs so far - I would expect that the software is assuming the pier top is level when making those calculation?
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Fair enough, and if the top of the pier was grossly out of whack like in my extreme 45 degree scenario I can understand that. But, the top of your average pier is more than likely within one degree of being perfectly level anyway, so I don't think this will make a difference to drift or computer aided alignment.
Cheers,
Jason.