Night Light of Yuzhnoural’sk (Chelyabinsk) from space (Russia) Src. Average luminocity for 10x10km area is 16.6136% and for 50x50km: 1.1282%.
Square area 10x10 km:
 2.63%
 2.03%
 2.51%
 1.79%
 1.44%
 3.47%
 1.79%
 0.12%
 0.96%
 14%
 69.26%Square area 50x50 km:
 0.16%
 0.14%
 0.11%
 0.17%
 0.1%
 0.19%
 0.14%
 0.15%
 0.07%
 0.64%
 98.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 50' 55.1" North, 60° 33' 1.7" East
54° 26' 30.5" North, 61° 15' 13" East
54° 1' 51.1" North, 61° 57' 24.2" East
Some cities around Yuzhnoural’sk sort by population:
• Troitsk
		43.6 km =27.1 mi, 
151°
• Korkino
		50.8 km =31.6 mi, 
10°
• Yemanzhelinsk
		35.1 km =21.8 mi, 
7°
• Plast
		29.6 km =18.4 mi, 
254°
• Roza
		54.4 km =33.8 mi, 
14°
• Krasnogorskiy
		17.9 km =11.1 mi, 
355°
• Uvel’skiy
		6.7 km =4.2 mi, 
87°
• Yetkul’
		47.4 km =29.5 mi, 
26°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016