

 
 4th
 Dark-Sky European Symposium, Paris, September 24-25, 2004
 

 
  
  
   
  
  
  
  
  
  
 
  
  
  
 
  
  
  
 
  
  
  
 
  
  
  
 
 Sensibility
 to the location :
 correlation to the Cinzano/Falchi/Elvidge 
 Atlas of the artificial night sky brightness
 
 
 Paris
 Arpajon (91)
 La Fertι-Alais (91)
 Saint-Laurent-en-Grandvaux (39)
 Craponne-sur-Arzon (43)
 Cabrerets (46)
 Livernon (46)
 Chanac (48)
 Luc-en-Diois (04)
 Veynes (05)
 Rosans (05)
 Sault (84)
 Gordes (84)
 Isle-sur-la-Sorgue (84)
 Le-Pic-du-Midi-de-Bigorre (65)
  
 Cinzano, Falchi (Padova University), Elvidge, Baugh
 (NOAA)
 
 Artificial/Natural 
 night sky brightness :
 < 10%   
 : grey     (< 0,10 Mv)
 < 33%    : blue     (< 0,31 Mv)
 < 100%  : green   (< 0,75 Mv)
 < 300% 
 : yellow  (< 1,5 Mv)
 < 900% 
 : orange (< 2,5 Mv)
 < 2700% : red     (< 3,6
 Mv)
 > 2700% : white  (> 3,6 Mv)
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 
  
  
 