Night Light of Serpukhov (Moscow Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 49.4976% and for 50x50km: 7.9192%.
Square area 10x10 km:
 9.93%
 16.15%
 4.31%
 3.59%
 5.38%
 4.43%
 3.11%
 5.26%
 17.7%
 27.87%
 2.27%Square area 50x50 km:
 0.91%
 1.36%
 0.8%
 0.7%
 0.85%
 0.94%
 0.93%
 1.38%
 2.96%
 6.32%
 82.85%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 19' 4.4" North, 36° 42' 28.9" East
54° 54' 56.8" North, 37° 24' 40.1" East
54° 30' 34.6" North, 38° 6' 51.4" East
Some cities around Serpukhov sort by population:
• Chekhov
		26.1 km =16.2 mi, 
9°
• Protvino
		13.6 km =8.5 mi, 
247°
• Pushchino
		15.7 km =9.8 mi, 
125°
• Kremenki
		18.9 km =11.7 mi, 
260°
• Tarusa
		26.2 km =16.3 mi, 
215°
• Zaokskiy
		20.4 km =12.7 mi, 
181°
• Obolensk
		13.7 km =8.5 mi, 
299°
• Stolbovaya
		37.5 km =23.3 mi, 
7°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016