Night Light of Broek op Langedijk (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 58.5516% and for 50x50km: 14.2293%.
Square area 10x10 km:
 14.95%
 14.95% 15.48%
 15.48% 6.88%
 6.88% 4.5%
 4.5% 8.07%
 8.07% 5.82%
 5.82% 4.76%
 4.76% 6.61%
 6.61% 19.84%
 19.84% 12.17%
 12.17% 0.93%
 0.93%Square area 50x50 km:
 2.57%
 2.57% 2.77%
 2.77% 1.21%
 1.21% 1.29%
 1.29% 1.27%
 1.27% 1.53%
 1.53% 1.52%
 1.52% 1.72%
 1.72% 5.21%
 5.21% 13.02%
 13.02% 67.91%
 67.91%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 5' 54.3" North, 4° 6' 8.7" East
52° 40' 27" North, 4° 48' 20" East
52° 14' 44.7" North, 5° 30' 31.2" East
Some cities around Broek op Langedijk sort by population:
• Alkmaar
		6.1 km =3.8 mi,  219°
219°
• Heerhugowaard
		2.9 km =1.8 mi,  95°
95°
• Harenkarspel
		6.9 km =4.3 mi,  343°
343°
• Opmeer
		10 km =6.2 mi,  68°
68°
• Zuid-Scharwoude
		1.4 km =0.9 mi,  7°
7°
• Sint Pancras
		2.2 km =1.4 mi,  223°
223°
• Obdam
		6.8 km =4.2 mi,  88°
88°
• Noord-Scharwoude
		2.7 km =1.7 mi,  7°
7°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016