Night Light of Dobryanka (Perm) from space (Russia) Src. Average luminocity for 10x10km area is 7.305% and for 50x50km: 0.7724%.
Square area 10x10 km:
 1.25%
 2.83%
 0.45%
 0%
 1.13%
 0.45%
 0.68%
 0.91%
 0%
 0%
 92.29%Square area 50x50 km:
 0.14%
 0.18%
 0.04%
 0%
 0.06%
 0.11%
 0.11%
 0.39%
 0.02%
 0%
 98.95%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
58° 49' 48.9" North, 55° 42' 34.5" East
58° 27' 51.8" North, 56° 24' 45.7" East
58° 5' 41" North, 57° 6' 57" East
Some cities around Dobryanka sort by population:
• Perm
		51.4 km =31.9 mi, 
190°
• Krasnokamsk
		57.5 km =35.7 mi, 
221°
• Gubakha
		78 km =48.5 mi, 
57°
• Polazna
		19.1 km =11.9 mi, 
179°
• ZvĂ«zdnyy
		81.6 km =50.7 mi, 
184°
• Novyye Lyady
		46.9 km =29.1 mi, 
165°
• Sylva
		52.4 km =32.6 mi, 
156°
• Kondratovo
		56.7 km =35.2 mi, 
198°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016