Night Light of Desnogorsk (Smolensk) from space (Russia) Src. Average luminocity for 10x10km area is 13.1225% and for 50x50km: 0.5809%.
Square area 10x10 km:
 3.91%
 2.65%
 0.51%
 0.51%
 1.26%
 2.02%
 0.25%
 0%
 0.51%
 4.67%
 83.71%Square area 50x50 km:
 0.16%
 0.11%
 0.02%
 0.02%
 0.05%
 0.08%
 0.01%
 0.02%
 0.02%
 0.22%
 99.3%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 33' 37.8" North, 32° 34' 42.2" East
54° 9' 2.8" North, 33° 16' 53.4" East
53° 44' 12.9" North, 33° 59' 4.7" East
Some cities around Desnogorsk sort by population:
• Roslavl’
		35 km =21.7 mi, 
231°
• Kirov
		67 km =41.6 mi, 
98°
• Zhukovka
		74.6 km =46.4 mi, 
156°
• Yel’nya
		48 km =29.8 mi, 
352°
• Pochinok
		61.6 km =38.3 mi, 
297°
• Dubrovka
		53.2 km =33.1 mi, 
163°
• Spas-Demensk
		56.2 km =34.9 mi, 
58°
• Seshcha
		46.3 km =28.8 mi, 
175°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016