Light Pollution in the Netherlands and the Low Countries
Beilen is the small yellow dot left of the red arrow. So I can't complain about my skies, although it could be better.
Usually I go to a place a few km west of Beilen, in the darker blue region of this map.
Levels in the picture above correspond to magnitude loss (in V mag.):
black >0.1, purple 0.1-0.2, orchid 0.2-0.4, blue 0.4-0.6, light blue 0.6-0.8, green 0.8-1.0,
golden yellow 1.0-1.2, yellow 1.2-1.4, orange 1.4-1.6, red 1.6-1.8, hot pink 1.8-2.0, pink <2.0.
Credit: P. Cinzano (University of Padova and ISTIL), F. Falchi (University of Padova), C. D. Elvidge (NOAA National Geophysical Data Center, Boulder). Copyright 2001 ISTIL, Thiene. Reproduced from www.savethenight.eu.