[QUOTE=Stevec35;1257291]
Quote:
Originally Posted by marc4darkskies
Thanks a lot Steve! I usually get a smattering of good seeing nights, but not lately. Hmmm, I would have thought Canberra would have better seeing conditions on average than here.
Canberra is hilly, hence plenty of turbulent air and I'm on the side of a hill which is particularly bad.
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I can say that the incidence of decent to good seeing at 600m ASL in the Wallaroo area north of Canberra and when I was at 750m ASL in the Googong area south of Queanbeyan in 2004-2006, the seeing is significantly better much more often than at SL in suburban Newcastle, where it was crap all the time essentially.
So moral to the story...you need to site test before deciding on where to build your observatory
....
Ok, not feasible
Mike