The roughly 150 Dark Sky Places in the U.S. fall into five International ... This remote area, with a population of only about 800, has one of the darkest skies in Nevada. It is located within ...

Oregon has been abuzz with dark sky news lately. Over the last few years, we’ve seen announcements of new Dark Sky Parks, Dark Sky Communities and the biggest Dark Sky Sanctuary in the world ...

and the twilight sky brightness. The darkest sky brightness is about 19.0 and 18.6 mag arcsec-2 in V and R band, respectively. An obvious darkening trend is found at the first half of the night at WHO ...