Night Light of Aalter (Flanders) from space (Belgium) Src. Average luminocity for 10x10km area is 22.8957% and for 50x50km: 36.4813%.
Square area 10x10 km:
 1.87%
 3.48%
 0.53%
 3.61%
 2.14%
 2.81%
 2.14%
 5.61%
 5.48%
 42.51%
 29.81%Square area 50x50 km:
 5.32%
 6.25%
 3.53%
 4.19%
 5.02%
 6.33%
 6.12%
 6.87%
 12.74%
 23.12%
 20.51%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 31' 46.9" North, 2° 44' 37.7" East
51° 5' 24.6" North, 3° 26' 48.9" East
50° 38' 47.1" North, 4° 9' 0.2" East
Some cities around Aalter sort by population:
• Beernem
		9.3 km =5.8 mi, 
306°
• Wingene
		12.6 km =7.8 mi, 
253°
• Nevele
		9.2 km =5.7 mi, 
131°
• Lovendegem
		11.7 km =7.3 mi, 
83°
• Zomergem
		8.9 km =5.5 mi, 
68°
• Knesselare
		6 km =3.7 mi, 
336°
• Waarschoot
		13 km =8.1 mi, 
57°
• Ruiselede
		6.7 km =4.2 mi, 
213°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016