Night Light of Soledar (Donetsk) from space (Ukraine) Src. Average luminocity for 10x10km area is 5.3884% and for 50x50km: 1.3618%.
Square area 10x10 km:
 0.3%
 1.49%
 1.04%
 0.74%
 0.45%
 0.74%
 0%
 0.6%
 1.19%
 1.79%
 91.67%Square area 50x50 km:
 0.08%
 0.13%
 0.21%
 0.2%
 0.2%
 0.23%
 0.29%
 0.25%
 0.21%
 0.23%
 97.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 8' 29.3" North, 37° 23' 9.2" East
48° 40' 45.7" North, 38° 5' 20.5" East
48° 12' 46.7" North, 38° 47' 31.7" East
Some cities around Soledar sort by population:
• Kostyantynivka
		32.8 km =20.4 mi, 
239°
• Bakhmut
		11.4 km =7.1 mi, 
215°
• Pervomays’k
		34.2 km =21.3 mi, 
99°
• Popasna
		21.8 km =13.5 mi, 
103°
• Chasiv Yar
		19.5 km =12.1 mi, 
240°
• Sivers’k
		20.9 km =13 mi, 
2°
• Svetlodarsk
		29 km =18 mi, 
160°
• Hirs’ke
		30.4 km =18.9 mi, 
78°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016