13-04-2013, 04:13 PM
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Highest Observatory in Oz
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Join Date: May 2006
Location: Canberra
Posts: 17,683
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Quote:
Originally Posted by Paul Haese
Yeah I know.  I have the speed covered at f5.6 but I am severely hampered by only have 4" of aperture. I could go an 8" I suppose???? |
F5.6??? Man, that's still too slooow  get real F3.8...now that's fast  
Mike
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