Quote:
Originally Posted by rogerco
Found the reference to the meter but what is the range of readings, where does twenty something fit in?
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S&T's Tony Flanders wrote an article about
Surface Brightness.
An excerpt:
Quote:
17.0 poor urban skies
18.0 good urban skies, poor suburban skies
19.0 fairly good suburban skies
20.0 very good suburban skies
21.0 typical rural skies
22.0 ideal dark-sky site
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