Night Light of Sokolovo-Kundryuchenskiy (Rostov) from space (Russia) Src. Average luminocity for 10x10km area is 8.9003% and for 50x50km: 6.8063%.
Square area 10x10 km:
 0.3%
 0%
 0%
 1.34%
 1.49%
 1.79%
 2.83%
 2.38%
 2.08%
 10.71%
 77.08%Square area 50x50 km:
 0.64%
 0.87%
 0.49%
 1.03%
 0.89%
 1.13%
 1.26%
 1.52%
 2.14%
 4.11%
 85.92%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 18' 18.7" North, 39° 14' 38.4" East
47° 50' 7.3" North, 39° 56' 49.6" East
47° 21' 40.4" North, 40° 39' 0.9" East
Some cities around Sokolovo-Kundryuchenskiy sort by population:
• Shakhty
		24.4 km =15.2 mi, 
125°
• Novoshakhtinsk
		8.4 km =5.2 mi, 
187°
• Krasnyy Sulin
		11.2 km =7 mi, 
55°
• Zverevo
		24.5 km =15.2 mi, 
32°
• Mayskiy
		19.4 km =12.1 mi, 
143°
• Ayutinskiy
		16.1 km =10 mi, 
111°
• Talovyy
		12.5 km =7.8 mi, 
104°
• Sambek
		13.4 km =8.3 mi, 
220°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016