Mar 29 2011

Setting up an 8″ Reflector Telescope for Astrophotography

Dave Anderson

I received an awesome birthday gift from my wife last fall, an Orion XT8 Dobsonian reflector. I’ve had a bit of fun with it just stargazing, but eventually that wasn’t enough and I wanted to try photographing with it. I had some minor success with eyepiece projection photography as in the Moon and Jupiter shots below. The thing is, the specs listed on the label are just too interesting to pass up. As a prime focus lens, it’s a 1200mm f/5.9 optic. Who could resist trying to see what they could make of that?

Initial experiments with eyepiece projection on an Orion XT8 Dobsonian telescope with a 25mm Plossl eyepiece and a 2x barlow, magnification 96x projected onto 35mm full-frame sensor.
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