Thread: Pickering Scale
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Old 13-01-2012, 11:14 AM
Daveskywill (David)
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Daveskywill is offline 		 
Join Date: Jun 2010
Location: Centreville, Michigan, US
Posts: 186
Pickering Scale
Hi: do people here know about the Pickering Seeing Scale?

If not here's a link:

http://www.sightsabove.com/article.php?article=17


It's a cool way to calibrate our seeing conditions.

David
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