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Old 14-10-2006, 09:46 AM
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JohnG (John)
Looking Down From Above

JohnG is offline
 
Join Date: Dec 2005
Location: Cootamundra, NSW
Posts: 1,711
Hi Roger

To be quite honest, I personally don't take any notice of all those numbers, the only one's that I do take notice of is the A and E numbers, mine are 0 and -1. My honest opinion is that after a lot of years of using a Gemini, they are the only numbers that mean anything. All these numbers are taken into account when Gemini builds it's Pointing Model, that is why I don't bother with them.

I, like Lee, am a firm believer of doing a proper Drift Align first off, I still believe this is the most accurate way of getting the scope and mount close to the poles.

Not sure what those abbreviations mean, will have to look them up but, I would say one has to do with counterweight flexure.

The overshoot sounds a bit like a backlash problem, your worm MAY be a little too loose. Before mucking around with the worm, I would try to unbalance the mount slightly, have the weight pushing against the worm, you may have it balanced too well.

Cheers

JohnG

Last edited by JohnG; 14-10-2006 at 10:45 AM.
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