Re:White LED street lighting

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#575285

Posted by Dale Holt at 13:29 on 2010 May 10

Thanks to David for outlining some of the lesser known facts around LED street lighting. It does sound very worrying and already happening if David can witness deterioration from his NW London location.I have often wondered why more of the low level bollard type lighting isn’t used by local authorities as the units must be considerably cheaper that full lamp posts, especially for pedestrian only applications.Movement detection is also a good idea but with the energy usage being that much lower with LED’s the cost & environment cards will have already been satisfied to a greater extent, the advantages to residents & councils will not be so attractive.I think the serious option for many astronomers trapped in light polluted areas will be to concentrate or areas of astronomy that are less effected by the scourge of poor lighting, i.e. Lunar, Solar, Planetary. Double stars etc or to join the increasing number of UK astronomers accessing scope remotely under really dark skies. I appreciate that theses means imaging and not visual observation but what else can a small group of astronomers realistically do to prevent it?Dale Holt