Quote:
Originally Posted by RPW
I recently purchased a QHY5 that ultimately I want to use as an autoguider. In order to get a feel for it, I connected it into my SW-102 refractor (F=500mm, D=102mm)
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Just to give you an idea on a FL 600mm/ED80 (similar to your rig) I need a 80mm spacer + 55mm of focuser racked out to get to focus.