Night Light of Aalst (Flanders) from space (Belgium) Src. Average luminocity for 10x10km area is 66.486% and for 50x50km: 50.606%.
Square area 10x10 km:
 11.2%
 13.45%
 9.8%
 8.26%
 7%
 20.59%
 19.75%
 8.96%
 0.98%
 0%
 0%Square area 50x50 km:
 9.3%
 8.88%
 5.03%
 5.71%
 7.77%
 9.81%
 11.08%
 10.88%
 13.77%
 10.78%
 6.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 22' 37.3" North, 3° 19' 56.6" East
50° 56' 9.7" North, 4° 2' 7.8" East
50° 29' 27" North, 4° 44' 19.1" East
Some cities around Aalst sort by population:
• Lebbeke
		10.3 km =6.4 mi, 
42°
• Haaltert
		4.1 km =2.5 mi, 
216°
• Denderleeuw
		6.3 km =3.9 mi, 
153°
• Lede
		4.8 km =3 mi, 
314°
• Berlare
		11.1 km =6.9 mi, 
347°
• Opwijk
		11 km =6.8 mi, 
71°
• Liedekerke
		8.3 km =5.2 mi, 
153°
• Wichelen
		8.7 km =5.4 mi, 
331°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016