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Author (up) Bortle, J.E. url  openurl
  Title Introducing the Bortle Dark-Sky Scale. Type Journal Article
  Year 2001 Publication Sky & Telescope Abbreviated Journal Sky Telesc  
  Volume Issue 60 Pages 126-129  
  Keywords Vision; skyglow; visibility; sky brightness  
  Abstract How dark is your sky? The relationship between light pollution and astronomy is a concern amateurs and professional astronomers alike. Are your skies dark enough? A precise answer to this question is useful for comparing observing sites and, more important, for determining whether a site is dark enough to let you push your eyes, telescope, or camera to their theoretical limits. Likewise, you need accurate criteria for judging sky conditions when documenting unusual or borderline observations, such as an extremely long comet tail, a faint aurora, or subtle features in galaxies.  
  Corporate Author Thesis  
  Publisher Sky Publishing Place of Publication Editor  
  Language English Summary Language English Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0037-6604 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ kagoburian @; IDA @ john @ Serial 556  
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