Night Light of Pervomays’kyy (Kharkiv) from space (Ukraine) Src. Average luminocity for 10x10km area is 1.5922% and for 50x50km: 0.1874%.
Square area 10x10 km:
 0%
 0%
 0%
 0.4%
 0.67%
 1.07%
 0%
 0.53%
 0%
 0%
 97.33%Square area 50x50 km:
 0%
 0%
 0%
 0.04%
 0.07%
 0.11%
 0.01%
 0.08%
 0%
 0%
 99.69%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 50' 34.7" North, 35° 30' 41.7" East
49° 23' 14.7" North, 36° 12' 53" East
48° 55' 39.3" North, 36° 55' 4.2" East
Some cities around Pervomays’kyy sort by population:
• Balakliya
		47.4 km =29.5 mi, 
79°
• Zmiyiv
		33.3 km =20.7 mi, 
16°
• Slobozhans’ke
		32.4 km =20.1 mi, 
43°
• Nova Vodolaha
		44.6 km =27.7 mi, 
325°
• Sakhnovshchyna
		36.1 km =22.4 mi, 
223°
• Krasnopavlivka
		28.9 km =18 mi, 
164°
• Kehychivka
		34.7 km =21.6 mi, 
251°
• Vasyshcheve
		49.7 km =30.9 mi, 
9°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016