Night Light of Pokrovskoye (Rostov) from space (Russia) Src. Average luminocity for 10x10km area is 3.5071% and for 50x50km: 4.6565%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0.14%
 3.41%
 2.7%
 1.7%
 1.28%
 90.77%Square area 50x50 km:
 1.11%
 0.8%
 0.37%
 0.39%
 0.42%
 0.49%
 0.78%
 0.76%
 1.49%
 2.38%
 91%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 53' 21.6" North, 38° 11' 38.2" East
47° 24' 56.5" North, 38° 53' 49.4" East
46° 56' 15.9" North, 39° 36' 0.7" East
Some cities around Pokrovskoye sort by population:
• Taganrog
		20 km =12.4 mi, 
180°
• Azov
		52 km =32.3 mi, 
131°
• Amvrosiyivka, UA
		52.5 km =32.6 mi, 
323°
• Persianovka
		41.2 km =25.6 mi, 
72°
• Chaltyr
		46.4 km =28.8 mi, 
108°
• Kuleshovka
		62.4 km =38.8 mi, 
126°
• Matveyev Kurgan
		16.7 km =10.4 mi, 
352°
• Kuybyshevo
		44.1 km =27.4 mi, 
0°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016