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Old 21-03-2012, 04:24 PM
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cventer
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Join Date: Jul 2005
Location: Melbourne Australia
Posts: 957
Thanks everyone. Looks like alignment to scope is not the issue. Guess I need to track down what else this might be.

can someone also help with this questions. I am having a brain fart day and cant seem to solve th emost basic of maths problems.

My guidescope scale is 3.57 arc sec per pixel

My Scope and Camera is 2.8 arc sec pr pixel

If guide scope moves 1 pixel or 1/2 a pixel what movement in pixels or arc sec is this on my main imagers ccd chip ?
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