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Re: Light pollution - Magnitude

Started by astro2575, 07/18/2003 08:43PM
Posted 07/18/2003 08:43PM Opening Post
OK, my guess:

none: 6.5 or more
low: 5-6.5
medium: 4-5 (typical big-city suburbia; I think S&T assumes 4.5 for their reporting)
high: 2.5-4
s&^%$d: less than 2.5

give or take half a mag. See for impact.