- The Chicago Astronomer -
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"Peter Scales, a spokesman for the city's Department of Transportation, told the Sun-Times, the new lights are "not necessarily brighter. But, these bulbs emit a white light that's more visible. It's easier to distinguish colors. And because of the increased visibility, you don't need to use as much energy to produce the same amount of light.""
So is this going to be good or bad for observing? I can imagine that a more neutral color will be better than having that overpowering orange glow, yet brighter lights can't be good for observing..
Post by Paulie pchris00 on Apr 11, 2012 9:51:02 GMT -6
The orange mercury vapor might look sickly, but I thought it was easy to filter out? Most "light pollution" filters target this area, and pass strongly in the blue/green end of the spectrum. A wider spectrum emitting light would be more difficult to filter out, no?
As for the metal halides, "brighter for less wattage" could be incentive to save energy and money, or it could be incentive to blast them even brighter without raising costs. I suppose it could go either way.
"Just a boy, just an ordinary boy, but he was looking to the sky." -Vanessa Carlton