Night Light of Buenos Aires (Buenos Aires F.D.) from space (Argentina) Src. Average luminocity for 10x10km area is 85.9965% and for 50x50km: 57.0849%.
Square area 10x10 km:
 60.49%
 12.06%
 1.57%
 1.05%
 4.55%
 6.29%
 6.99%
 4.37%
 1.4%
 1.22%
 0%Square area 50x50 km:
 35.42%
 10.54%
 2.28%
 4.08%
 3.41%
 2.29%
 2.08%
 2.08%
 2.21%
 3.49%
 32.14%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 1' 56.9" South, 59° 4' 49.3" West
34° 36' 47.3" South, 58° 22' 38" West
35° 11' 23.3" South, 57° 40' 26.8" West
Some cities around Buenos Aires sort by population:
• Balvanera
		1.9 km =1.2 mi, 
279°
• Belgrano
		9.3 km =5.8 mi, 
307°
• Barracas
		4.1 km =2.5 mi, 
187°
• Colegiales
		7.9 km =4.9 mi, 
303°
• Boedo
		4.2 km =2.6 mi, 
238°
• Retiro
		3.4 km =2.1 mi, 
350°
• Villa Santa Rita
		9.5 km =5.9 mi, 
271°
• Villa Ortúzar
		9.1 km =5.7 mi, 
294°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016
Src.2: Tim Kopra, Twitter/@astro_tim, 2016-04-29