Night Light of Pervomayskiy (Tambov) from space (Russia) Src. Average luminocity for 10x10km area is 1.1351% and for 50x50km: 0.3581%.
Square area 10x10 km:
 0.25%
 0.25%
 0%
 0%
 0.51%
 0%
 0%
 0.25%
 0.25%
 0.51%
 97.98%Square area 50x50 km:
 0.01%
 0.01%
 0%
 0%
 0.1%
 0.13%
 0.15%
 0.14%
 0.09%
 0.07%
 99.29%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 40' 1.7" North, 39° 35' 2.3" East
53° 14' 54.6" North, 40° 17' 13.6" East
52° 49' 32.6" North, 40° 59' 24.8" East
Some cities around Pervomayskiy sort by population:
• Michurinsk
		41.3 km =25.7 mi, 
160°
• Ryazhsk
		52 km =32.3 mi, 
347°
• Chaplygin
		21.6 km =13.4 mi, 
268°
• Lev Tolstoy
		56.1 km =34.9 mi, 
266°
• Staroyur’yevo
		29 km =18 mi, 
74°
• Zavoronezhskoye
		44.6 km =27.7 mi, 
156°
• Ukholovo
		62 km =38.5 mi, 
12°
• Dobroye
		53 km =32.9 mi, 
216°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016