Night Light of Alkmaar (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 50.5423% and for 50x50km: 16.7238%.
Square area 10x10 km:
 10.85%
 10.85% 12.17%
 12.17% 5.56%
 5.56% 4.23%
 4.23% 7.67%
 7.67% 7.54%
 7.54% 3.57%
 3.57% 4.5%
 4.5% 19.84%
 19.84% 19.18%
 19.18% 4.89%
 4.89%Square area 50x50 km:
 3.37%
 3.37% 3.54%
 3.54% 1.44%
 1.44% 1.42%
 1.42% 1.48%
 1.48% 1.68%
 1.68% 1.64%
 1.64% 2.44%
 2.44% 6.12%
 6.12% 12.88%
 12.88% 63.99%
 63.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 3' 22.8" North, 4° 2' 43.8" East
52° 37' 54" North, 4° 44' 55" East
52° 12' 10.2" North, 5° 27' 6.3" East
Some cities around Alkmaar sort by population:
• Heerhugowaard
		8.1 km =5 mi,  56°
56°
• Castricum
		10.7 km =6.6 mi,  209°
209°
• Heiloo
		5.2 km =3.2 mi,  231°
231°
• Limmen
		7.9 km =4.9 mi,  207°
207°
• Zuid-Scharwoude
		7.3 km =4.5 mi,  33°
33°
• Sint Pancras
		3.9 km =2.4 mi,  36°
36°
• Broek op Langedijk
		6.1 km =3.8 mi,  39°
39°
• Noord-Scharwoude
		8.5 km =5.3 mi,  29°
29°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016