Dark skies are very important for enjoying the Milky Way and dim objects like comets and DSOs. Fabio Falchi of the Light Pollution Science and Technology Institute and his team have recently produced a new survey of worldwide light pollution based on 6 months of data from 2014. Their full report is available from the journal Science Advances as a PDF along with high resolution images of their maps:
The interactive Light Pollution Map allows you to pick your location and select between several different surveys of light pollution.
The interactive Dark Site Finder by Kevin Palmer uses older data. You can zoom in to any location to help plan your observing away from city lights:
Content created: 2016-06-02 and last modified: 2017-10-05
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