Hi Matt,
Despite the fact we want to encourage people to come to IISAC for the dark skies
and hopefully for the presentations, I don't want to leave you completely dangling.
Some time back when you posted your pointing data I had a quick look at the time
and with a busy schedule, didn't get a chance to follow-up. Though I have forgotten
the specific details, my recollection was there were indications in the data of
hysteresis of a similar order of magnitude of the discrepancies in your results.
In other words, it looked as if you were coming up against the finite amounts of
backlash and other random errors within the mount beyond which you would be
unable to improve the pointing further without doing something physically to the
mount's mechanics.
The bottom line is that the data was indicating that due to these random errors, you may
not be able to appreciably reduce the zone of uncertainty in your alignment with the true
pole beyond what you currently have determined it, unless you further minimize the random error sources.
Best Regards
Gary