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goldwater58
I'm quite new to astrophotography and have a question regarding setting the appropriate aperture setting in Backyard EOS. Do I simply match it to my telescope's focal ratio? I'm using an 80mm f/6 refractor with a 480mm focal length and intend to use my camera (Canon T3i) in a prime focus fashion. I'm looking to capture some DSO's if that helps. Again, I know this is more than likely a very noobish question but all help/advice is appreciated.
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