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[AZ-Observing] Re: Flagstaff 2002 nighttime cloudiness
- From: Brian Skiff <Brian.Skiff@xxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 7 Jan 2003 17:24:33 -0700 (MST)
>> Why all the goose eggs [in July], yet the most spectroscopics...
A 'spectroscopic' night is one where there's thin cirrus but
no cloud-free hours meeting the 3-hour minimum. If you think of it in
terms of deep-sky observing, those are just plain cloudy nights, and
don't add to the tally of clear hours/nights.
\Brian
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