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Old 23-12-2012, 04:37 PM
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Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 8,484
Quote:
Originally Posted by rogerg View Post

My understanding is that for adaptive optics to be effective a bright guide star is required which permits high frequency reactions. Is that correct?
Yes, that said attenuation by filters is no longer an issue with newer self guiding cameras. I've found ~10Hz is pretty easy in most areas of the sky.
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