Night Light of Heemstede (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 58.9621% and for 50x50km: 36.0421%.
Square area 10x10 km:
 13.64%
 13.64% 16.41%
 16.41% 2.27%
 2.27% 4.8%
 4.8% 9.09%
 9.09% 9.34%
 9.34% 12.37%
 12.37% 8.46%
 8.46% 11.87%
 11.87% 11.24%
 11.24% 0.51%
 0.51%Square area 50x50 km:
 10.46%
 10.46% 9.09%
 9.09% 2.48%
 2.48% 2.99%
 2.99% 3.59%
 3.59% 3.37%
 3.37% 4.17%
 4.17% 5.57%
 5.57% 9.94%
 9.94% 10.6%
 10.6% 37.74%
 37.74%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 46' 38.4" North, 3° 55' 11.6" East
52° 20' 59.7" North, 4° 37' 22.8" East
51° 55' 6" North, 5° 19' 34.1" East
Some cities around Heemstede sort by population:
• Haarlem
		3.6 km =2.2 mi,  15°
15°
• Hoofddorp
		6.9 km =4.3 mi,  139°
139°
• Velsen-Zuid
		12.4 km =7.7 mi,  8°
8°
• Lisse
		11 km =6.8 mi,  204°
204°
• Hillegom
		7.1 km =4.4 mi,  202°
202°
• Zandvoort
		6.6 km =4.1 mi,  291°
291°
• Noordwijkerhout
		13.2 km =8.2 mi,  221°
221°
• Bennebroek
		3.6 km =2.2 mi,  207°
207°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016