Thread: OAG query - Pick off prism light path - COMA on half my FOV - Fixed moved Guide Cam!
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Old 23-07-2009, 07:41 PM
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g__day (Matthew)
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Using Ron Wodaski's CCD calculator I am seeing at 3*3 binning a pixel equates to 2.2 arc seconds - so average drift is +/- 1 pixel = +/- 2.22 arc seconds which isn't horrible.
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