Night Light of Puerto Madryn (Chubut) from space (Argentina) Src. Average luminocity for 10x10km area is 40.8106% and for 50x50km: 2.4608%.
Square area 10x10 km:
 9.39%
 10%
 3.48%
 4.55%
 2.88%
 4.24%
 2.42%
 4.09%
 15.61%
 30.91%
 12.42%Square area 50x50 km:
 0.4%
 0.45%
 0.19%
 0.24%
 0.14%
 0.31%
 0.41%
 0.3%
 0.78%
 2.17%
 94.6%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 15' 3.2" South, 65° 44' 29.9" West
42° 46' 9.1" South, 65° 2' 18.6" West
43° 16' 59.6" South, 64° 20' 7.4" West
Some cities around Puerto Madryn sort by population:
• Trelew
		57.6 km =35.8 mi, 
202°
• Viedma
		275.6 km =171.2 mi, 
37°
• Rawson
		59.3 km =36.8 mi, 
185°
• San Antonio Oeste
		226.6 km =140.8 mi, 
1°
• Lamarque
		376.2 km =233.8 mi, 
351°
• Sierra Grande
		131.9 km =82 mi, 
348°
• Gaimán
		68.7 km =42.7 mi, 
212°
• General Conesa
		300.3 km =186.6 mi, 
9°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016