Night Light of Zmeinogorsk (Altai Krai) from space (Russia) Src. Average luminocity for 10x10km area is 4.5668% and for 50x50km: 0.211%.
Square area 10x10 km:
 1.07%
 0.67%
 0.94%
 0%
 0.53%
 1.07%
 0.27%
 0.27%
 0.53%
 0%
 94.65%Square area 50x50 km:
 0.04%
 0.03%
 0.04%
 0%
 0.04%
 0.04%
 0.01%
 0.01%
 0.03%
 0.04%
 99.72%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 35' 47.9" North, 81° 29' 32" East
51° 9' 27.9" North, 82° 11' 43.2" East
50° 42' 52.8" North, 82° 53' 54.5" East
Some cities around Zmeinogorsk sort by population:
• Rubtsovsk
		79.4 km =49.3 mi, 
300°
• Shemonaīkha, KZ
		62.2 km =38.6 mi, 
198°
• Gornyak
		54.1 km =33.6 mi, 
250°
• Zhezkent, KZ
		63.5 km =39.5 mi, 
246°
• Ūst’-Talovka, KZ
		71.9 km =44.7 mi, 
199°
• Krasnoshchekovo
		68 km =42.3 mi, 
32°
• Veseloyarsk
		77.1 km =47.9 mi, 
280°
• Staroaleyskoye
		21.7 km =13.5 mi, 
218°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016