Night Light of Snezhnogorsk (Murmansk) from space (Russia) Src. Average luminocity for 10x10km area is 2.9879% and for 50x50km: 4.3176%.
Square area 10x10 km:
 1.29%
 0.53%
 0%
 0%
 0.3%
 0.3%
 0%
 0%
 0%
 0%
 97.58%Square area 50x50 km:
 1.03%
 0.82%
 0.3%
 0.44%
 0.41%
 0.55%
 0.54%
 0.32%
 0.84%
 3.02%
 91.74%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
69° 26' 30" North, 32° 33' 0.1" East
69° 11' 36" North, 33° 15' 11.3" East
68° 56' 31.7" North, 33° 57' 22.6" East
Some cities around Snezhnogorsk sort by population:
• Murmansk
		24.7 km =15.3 mi, 
194°
• Severomorsk
		15.3 km =9.5 mi, 
154°
• Polyarnyy
		7.7 km =4.8 mi, 
85°
• Gadzhiyevo
		7.6 km =4.7 mi, 
25°
• Kola
		36 km =22.4 mi, 
195°
• Roslyakovo
		16.8 km =10.4 mi, 
187°
• Vidyayevo
		22.5 km =14 mi, 
308°
• Vidyayevo
		35.7 km =22.2 mi, 
195°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016