Thread: OAGs ?
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Old 15-07-2015, 06:33 AM
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ZeroID (Brent)
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Join Date: May 2010
Location: Auckland, NZ
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OAGs ?

I'm looking for a guiding solution for the 8F8 scope. My existing setup is too tall, the scope takes up most of my Ob headroom. I'm working on a low profile adjustable mount system project which should fit but I'm also considering an OAG.
My mind can't quite get around the idea of an OAG. I understand the off axis position and basic optical physics but how do you find a suitable star if it is such a fixed position device in the optical train ?
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