Night Light of Usinsk (Komi) from space (Russia) Src. Average luminocity for 10x10km area is 26.8413% and for 50x50km: 3.9203%.
Square area 10x10 km:
 7.67%
 7.05%
 2.29%
 2.29%
 0.97%
 0.35%
 1.06%
 1.06%
 8.82%
 26.01%
 42.42%Square area 50x50 km:
 0.86%
 0.85%
 0.34%
 0.44%
 0.3%
 0.41%
 0.41%
 0.38%
 1.12%
 2.56%
 92.33%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
66° 16' 42.1" North, 56° 49' 29.8" East
65° 59' 38" North, 57° 31' 41" East
65° 42' 22.4" North, 58° 13' 52.3" East
Some cities around Usinsk sort by population:
• Ukhta
		325.4 km =202.2 mi, 
213°
• Pechora
		95.2 km =59.2 mi, 
188°
• Sosnogorsk
		316.9 km =196.9 mi, 
212°
• Nar'yan-Mar
		269.5 km =167.5 mi, 
312°
• Vuktyl
		237.9 km =147.8 mi, 
182°
• Nizhniy Odes
		290.1 km =180.3 mi, 
205°
• Iskateley
		267.8 km =166.4 mi, 
314°
• Ust-Tsilma
		253.4 km =157.5 mi, 
255°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016