Night Light of Smolensk from space (Russia) Src. Average luminocity for 10x10km area is 72.1223% and for 50x50km: 4.7642%.
Square area 10x10 km:
 37.84%
 19.56%
 3.35%
 1.03%
 1.16%
 3.6%
 2.83%
 10.17%
 11.07%
 8.62%
 0.77%Square area 50x50 km:
 1.6%
 0.96%
 0.3%
 0.22%
 0.23%
 0.28%
 0.34%
 0.69%
 1.7%
 2.88%
 90.79%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 11' 6.9" North, 31° 20' 13.1" East
54° 46' 54.5" North, 32° 2' 24.4" East
54° 22' 27.4" North, 32° 44' 35.6" East
Some cities around Smolensk sort by population:
• Yartsevo
		52.6 km =32.7 mi, 
52°
• Safonovo
		84.5 km =52.5 mi, 
64°
• Dorogobuzh
		81.8 km =50.8 mi, 
79°
• Yel’nya
		76.9 km =47.8 mi, 
107°
• Rudnya
		63.3 km =39.3 mi, 
286°
• Pochinok
		49 km =30.4 mi, 
148°
• Demidov
		63.8 km =39.6 mi, 
328°
• Lyozna, BY
		83.9 km =52.1 mi, 
288°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016