become apparent in this graphic illustrating light pollution in North and Central America. I pity the amateur astronomer that lives east of the Mississippi.For a higher resolution view of light pollution where you live, check out the very cool Dark Sky Finder that utilizes Google Maps. Also, here's the useful Clear Sky Chart that predicts viewing conditions 48 hours in advance for specific observing sites.
Lastly, consider joining the International Dark Sky Association to preserve the night sky. Future generations will grow up not having ever seen the Milky Way. Sad.
UPDATE: One of the reasons my wife and I bought our place in Utah is that it lies in one of those wonderfully dark spots on the map. In fact, in the community of Castle Valley, there is a "dark sky ordinance" that prohibits unshielded outdoor security lighting. The Milky Way comes all the way down to the horizon when there is no Moon! Awesome.
Image courtesy P. Cinzano, Light Pollution Science and Technology Institute, Thiene, Italy.
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