Night Light of Alençon (Normandy) from space (France) Src. Average luminocity for 10x10km area is 33.9119% and for 50x50km: 2.0288%.
Square area 10x10 km:
 7.39%
 8.95%
 1.28%
 4.55%
 3.69%
 2.56%
 0.85%
 3.13%
 7.95%
 36.22%
 23.44%Square area 50x50 km:
 0.34%
 0.45%
 0.09%
 0.26%
 0.22%
 0.26%
 0.11%
 0.22%
 0.36%
 1.81%
 95.87%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 53' 56.8" North, 0° 36' 36.1" West
48° 26' 5.1" North, 0° 5' 35.2" East
47° 57' 58" North, 0° 47' 46.4" East
Some cities around Alençon sort by population:
• Le Mans
		49 km =30.4 mi, 
170°
• Argentan
		35.4 km =22 mi, 
346°
• La Ferté-Bernard
		49.8 km =30.9 mi, 
123°
• Coulaines
		46.4 km =28.8 mi, 
169°
• Évron
		47.8 km =29.7 mi, 
229°
• La Ferté-Macé
		37.4 km =23.2 mi, 
297°
• Mamers
		22.5 km =14 mi, 
114°
• Changé
		52 km =32.3 mi, 
164°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016