Night Light of Semiluki (Voronezj) from space (Russia) Src. Average luminocity for 10x10km area is 29.091% and for 50x50km: 13.3691%.
Square area 10x10 km:
 3.64%
 4.76%
 2.66%
 0.98%
 5.46%
 4.9%
 7%
 6.02%
 12.04%
 16.11%
 36.41%Square area 50x50 km:
 4.07%
 2.35%
 0.86%
 0.97%
 1.22%
 1.44%
 1.76%
 2.09%
 4.16%
 6.72%
 74.35%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 7' 8.7" North, 38° 19' 29.1" East
51° 41' 6.9" North, 39° 1' 40.3" East
51° 14' 50" North, 39° 43' 51.6" East
Some cities around Semiluki sort by population:
• Voronezh
		10.9 km =6.8 mi, 
97°
• Novaya Usman’
		26.7 km =16.6 mi, 
100°
• Pridonskoy
		3.1 km =1.9 mi, 
92°
• Somovo
		24.1 km =15 mi, 
75°
• Podgornoye
		10 km =6.2 mi, 
56°
• Maslovka
		20.5 km =12.7 mi, 
135°
• Latnaya
		9.2 km =5.7 mi, 
251°
• Shilovo
		16.1 km =10 mi, 
164°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016