Night Light of Sastre (Santa Fe) from space (Argentina) Src. Average luminocity for 10x10km area is 5.7821% and for 50x50km: 1.479%.
Square area 10x10 km:
 0.37%
 1.1%
 0%
 0.73%
 1.83%
 0.37%
 0%
 2.56%
 2.01%
 0.55%
 90.48%Square area 50x50 km:
 0.2%
 0.21%
 0.08%
 0.39%
 0.23%
 0.12%
 0.05%
 0.31%
 0.39%
 0.14%
 97.89%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 10' 4.5" South, 62° 31' 55.2" West
31° 46' 3.4" South, 61° 49' 43.9" West
32° 21' 48.5" South, 61° 7' 32.7" West
Some cities around Sastre sort by population:
• Rafaela
		66 km =41 mi, 
29°
• San Francisco
		44.8 km =27.8 mi, 
327°
• Gálvez
		64.3 km =40 mi, 
116°
• San Jorge
		14.6 km =9.1 mi, 
191°
• Las Rosas
		82.2 km =51.1 mi, 
163°
• El Trébol
		49.6 km =30.8 mi, 
165°
• San Carlos Centro
		69.8 km =43.4 mi, 
86°
• Devoto
		60.6 km =37.7 mi, 
311°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016