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Old 01-06-19, 09:30 AM
  #1701  
TMonk
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Originally Posted by mattm View Post
Also San Jose uses weird orange street lights to keep light pollution down, just for the observatory.
Originally Posted by Enthalpic View Post
Tucson is nice at night because they have light pollution laws.
neat!
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Old 01-06-19, 09:49 AM
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Originally Posted by TMonk View Post
neat!
The light pollution here is terrible. About 19 SQM. Naked eye we can't see too much especially around the horizon. The telescope gathers enough light to see stuff though. Tried to split a double star last night and my wife could kind of see it split but I couldn't.

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Old 01-07-19, 05:32 PM
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I don't bother using my telescope in Portland except to very occasionally look at the moon or Saturn. Mostly I use it at my sister's ranch in central WA where the light pollution is pretty low and I can pick out galaxies and other dim objects assuming little or no moonlight.
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Old 01-08-19, 11:19 AM
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Originally Posted by TMonk View Post
neat!
the orange sodium vapor lights emit a very narrow band of light that is more easily filtered out for the observatory. But don't worry, everyone is ******** so they are pushing for modern (white) LED and/or metal halide lights that emit light in all colors and can't be filtered out.

wah wah
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Old 01-08-19, 11:56 AM
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lame
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