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Old 07-09-2010, 01:17 PM
bird (Anthony Wesley)
Cyberdemon

bird is offline
 
Join Date: Jan 2005
Location: Rubyvale QLD
Posts: 2,627
Yup, jetstream.

The lower atmosphere here seems totally stable every night around 1am, and the seeing is then dominated by the stratospheric conditions. If there is no jet then the seeing is awesome.
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