Night Light of Federal (Entre Rios) from space (Argentina) Src. Average luminocity for 10x10km area is 13.9487% and for 50x50km: 0.6845%.
Square area 10x10 km:
 2.38%
 2.75%
 2.75%
 0.92%
 0%
 1.1%
 2.56%
 2.2%
 0%
 0.92%
 84.43%Square area 50x50 km:
 0.1%
 0.11%
 0.11%
 0.07%
 0%
 0.04%
 0.14%
 0.19%
 0.02%
 0.06%
 99.16%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
30° 20' 59.2" South, 59° 29' 11" West
30° 57' 16.7" South, 58° 46' 59.7" West
31° 33' 20.6" South, 58° 4' 48.5" West
Some cities around Federal sort by population:
• Concordia
		87.4 km =54.3 mi, 
123°
• Salto, UY
		91.1 km =56.6 mi, 
121°
• Chajarí
		80 km =49.7 mi, 
73°
• La Paz
		85.6 km =53.2 mi, 
286°
• San Salvador
		79.1 km =49.2 mi, 
160°
• San José de Feliciano
		63.5 km =39.5 mi, 
2°
• Bovril
		76.4 km =47.5 mi, 
235°
• Mocoretá
		86.8 km =53.9 mi, 
64°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016