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HELP - ZWO ASI120MM-S Guiding
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27-04-2018, 07:17 AM
doppler
(Rick)
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Join Date: Nov 2012
Location: Mackay
Posts: 1,690
Or try it with the diagonal inserted to see if that helps, most refractors are setup to use one so the focal point is further back hence the need for the extension tube when using a camera.
doppler
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