Night Light of Roldán (Santa Fe) from space (Argentina) Src. Average luminocity for 10x10km area is 44.2509% and for 50x50km: 22.1009%.
Square area 10x10 km:
 10.26%
 10.81%
 6.59%
 6.23%
 2.75%
 2.93%
 3.3%
 4.03%
 10.81%
 27.84%
 14.47%Square area 50x50 km:
 5.16%
 4.47%
 1.93%
 2.39%
 2.86%
 2.5%
 3.13%
 3.34%
 5.01%
 9.05%
 60.16%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
32° 18' 22.1" South, 61° 36' 35.8" West
32° 53' 54.5" South, 60° 54' 24.5" West
33° 29' 12.7" South, 60° 12' 13.3" West
Some cities around Roldán sort by population:
• Rosario
		25.5 km =15.8 mi, 
102°
• Gobernador Gálvez
		28.8 km =17.9 mi, 
120°
• Granadero Baigorria
		18.3 km =11.4 mi, 
75°
• Capitán Bermúdez
		19.5 km =12.1 mi, 
64°
• Pérez
		17.1 km =10.6 mi, 
130°
• Carcarañá
		23.5 km =14.6 mi, 
281°
• Funes
		9.2 km =5.7 mi, 
101°
• Fray Luis A. Beltrán
		20.5 km =12.7 mi, 
54°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016