Night Light of Serafimovich (Volgograd Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 0.2297% and for 50x50km: 0.0091%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.56%
 0%
 0%
 99.44%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.02%
 0%
 0%
 99.98%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 1' 56.6" North, 42° 1' 58.4" East
49° 34' 43" North, 42° 44' 9.6" East
49° 7' 14" North, 43° 26' 20.9" East
Some cities around Serafimovich sort by population:
• Mikhaylovka
		64.5 km =40.1 mi, 
33°
• Frolovo
		70 km =43.5 mi, 
72°
• Novoanninskiy
		105.7 km =65.7 mi, 
357°
• Ilovlya
		95 km =59 mi, 
108°
• Veshenskaya
		72.5 km =45 mi, 
274°
• Kumylzhenskaya
		35.2 km =21.9 mi, 
342°
• Kletskaya
		37.5 km =23.3 mi, 
141°
• Bokovskaya
		76.2 km =47.3 mi, 
239°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016