Night Light of Le Chambon-Feugerolles (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 46.4444% and for 50x50km: 13.157%.
Square area 10x10 km:
 9.84%
 11.43%
 6.35%
 3.17%
 2.22%
 4.6%
 4.76%
 12.06%
 15.71%
 24.29%
 5.56%Square area 50x50 km:
 2.12%
 2.46%
 1.06%
 1.14%
 1.55%
 1.61%
 1.85%
 1.84%
 4.87%
 9.64%
 71.85%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 52' 59.1" North, 3° 37' 6.1" East
45° 23' 29.2" North, 4° 19' 17.4" East
44° 53' 43.9" North, 5° 1' 28.6" East
Some cities around Le Chambon-Feugerolles sort by population:
• Saint-Étienne
		7.1 km =4.4 mi, 
48°
• Firminy
		2.6 km =1.6 mi, 
265°
• Roche-la-Molière
		4.4 km =2.7 mi, 
6°
• Villars
		8.9 km =5.5 mi, 
17°
• Unieux
		4.2 km =2.6 mi, 
289°
• La Ricamarie
		4.1 km =2.5 mi, 
67°
• Saint-Genest-Lerpt
		6 km =3.7 mi, 
13°
• Aurec-sur-Loire
		9.7 km =6 mi, 
255°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016