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Old 27-10-2007, 10:15 AM
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JohnG (John)
Looking Down From Above

JohnG is offline
 
Join Date: Dec 2005
Location: Cootamundra, NSW
Posts: 1,711
If it is jumping around 2 arc seconds, sure sounds like seeing to me as well so I agree with what Paul and Alchemy have said.

Here is a link to the Pickering Seeing scale, you might be able to judge from these examples as to what your seeing was:

http://uk.geocities.com/dpeach_78/pickering.htm

If you still think that your mount might be vibrating, you appear to only have a light load on it, you can try doing what we had to do years ago to solve that problem, hang a sandbag under the center of the mount, used to solve damping problems almost instananeously.

Cheers
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