Night Light of Ath (Wallonia) from space (Belgium) Src. Average luminocity for 10x10km area is 23.2366% and for 50x50km: 24.6467%.
Square area 10x10 km:
 2.41%
 4.01%
 1.47%
 3.07%
 0.53%
 2.67%
 5.75%
 4.41%
 4.28%
 39.17%
 32.22%Square area 50x50 km:
 1.97%
 2.92%
 2.15%
 2.83%
 3.58%
 4.36%
 4.96%
 4.65%
 9.23%
 26.7%
 36.65%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 4' 23.8" North, 3° 4' 29.6" East
50° 37' 45.7" North, 3° 46' 40.8" East
50° 10' 52.5" North, 4° 28' 52.1" East
Some cities around Ath sort by population:
• Geraardsbergen
		17.6 km =10.9 mi, 
24°
• Lessines
		10 km =6.2 mi, 
24°
• Beloeil
		9.3 km =5.8 mi, 
199°
• Frasnes-lez-Buissenal
		11.9 km =7.4 mi, 
291°
• Jurbise
		14.3 km =8.9 mi, 
139°
• Silly
		10.5 km =6.5 mi, 
78°
• Chièvres
		5.1 km =3.2 mi, 
156°
• Ellezelles
		13.6 km =8.5 mi, 
329°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016