Night Light of Chebarkul’ (Chelyabinsk) from space (Russia) Src. Average luminocity for 10x10km area is 18.6579% and for 50x50km: 3.5493%.
Square area 10x10 km:
 2.75%
 3.59%
 1.67%
 3.11%
 2.75%
 2.03%
 2.27%
 0.24%
 0.24%
 18.06%
 63.28%Square area 50x50 km:
 0.51%
 0.64%
 0.44%
 0.36%
 0.33%
 0.43%
 0.45%
 0.2%
 0.79%
 3.37%
 92.47%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 22' 35.1" North, 59° 39' 36.6" East
54° 58' 29.6" North, 60° 21' 47.9" East
54° 34' 9.6" North, 61° 3' 59.1" East
Some cities around Chebarkul’ sort by population:
• Zlatoust
		50.3 km =31.3 mi, 
295°
• Miass
		18 km =11.2 mi, 
295°
• Yemanzhelinsk
		66 km =41 mi, 
111°
• Karabash
		57 km =35.4 mi, 
350°
• Novosineglazovskiy
		65 km =40.4 mi, 
83°
• Argayash
		65.8 km =40.9 mi, 
29°
• Poletayevo
		48.3 km =30 mi, 
82°
• Magnitka
		59.3 km =36.8 mi, 
314°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016