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Old 22-11-2013, 07:47 PM
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Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 6,650
Quote:
Originally Posted by alpal View Post
the best seeing I've had so far in Melbourne is a FWHM of 2.6 arc seconds.
....
During nights of "fuzz-ball" seeing, non-deformable (read affordable ) AO optics really don't help much.....but during "slow seeing" tip-tilt AO systems can and do make significant improvements to FWHM's.
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