Night Light of Couvin (Wallonia) from space (Belgium) Src. Average luminocity for 10x10km area is 6.4426% and for 50x50km: 2.9542%.
Square area 10x10 km:
 0%
 1.26%
 1.54%
 0%
 1.82%
 0.98%
 1.68%
 0%
 0.28%
 0.84%
 91.6%Square area 50x50 km:
 0.19%
 0.4%
 0.33%
 0.32%
 0.41%
 0.4%
 0.66%
 0.56%
 0.46%
 0.78%
 95.48%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 30' 7.8" North, 3° 47' 30.6" East
50° 3' 10.2" North, 4° 29' 41.8" East
49° 35' 57.3" North, 5° 11' 53.1" East
Some cities around Couvin sort by population:
• Walcourt
		22.7 km =14.1 mi, 
349°
• Florennes
		23.4 km =14.5 mi, 
19°
• Chimay
		12.7 km =7.9 mi, 
267°
• Philippeville
		16.3 km =10.1 mi, 
12°
• Revin, FR
		16 km =9.9 mi, 
141°
• Givet, FR
		25.4 km =15.8 mi, 
68°
• Beaumont
		27.4 km =17 mi, 
318°
• Momignies
		23.7 km =14.7 mi, 
263°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016