Night Light of Heerhugowaard (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 49.1164% and for 50x50km: 14.6865%.
Square area 10x10 km:
 11.24%
 11.24% 11.9%
 11.9% 5.82%
 5.82% 4.76%
 4.76% 7.01%
 7.01% 5.03%
 5.03% 3.57%
 3.57% 6.08%
 6.08% 15.74%
 15.74% 16.93%
 16.93% 11.9%
 11.9%Square area 50x50 km:
 2.59%
 2.59% 2.81%
 2.81% 1.23%
 1.23% 1.33%
 1.33% 1.37%
 1.37% 1.58%
 1.58% 1.61%
 1.61% 1.88%
 1.88% 5.43%
 5.43% 13.51%
 13.51% 66.67%
 66.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 5' 44.6" North, 4° 8' 43.8" East
52° 40' 17.2" North, 4° 50' 55" East
52° 14' 34.8" North, 5° 33' 6.3" East
Some cities around Heerhugowaard sort by population:
• Alkmaar
		8.1 km =5 mi,  236°
236°
• Harenkarspel
		8.5 km =5.3 mi,  325°
325°
• Opmeer
		7.6 km =4.7 mi,  58°
58°
• Zuid-Scharwoude
		3.2 km =2 mi,  301°
301°
• Sint Pancras
		4.6 km =2.9 mi,  253°
253°
• Broek op Langedijk
		2.9 km =1.8 mi,  275°
275°
• Obdam
		4 km =2.5 mi,  82°
82°
• Noord-Scharwoude
		3.9 km =2.4 mi,  319°
319°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016