Night Light of Gornyak (Altai Krai) from space (Russia) Src. Average luminocity for 10x10km area is 1.7219% and for 50x50km: 0.0912%.
Square area 10x10 km:
 0.27%
 0.27%
 0%
 0.53%
 0.53%
 0%
 0%
 0.53%
 0%
 0.53%
 97.33%Square area 50x50 km:
 0.01%
 0.01%
 0.02%
 0.02%
 0.02%
 0%
 0%
 0.02%
 0%
 0.02%
 99.87%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 26' 4.6" North, 80° 45' 46.8" East
50° 59' 39" North, 81° 27' 58" East
50° 32' 58.2" North, 82° 10' 9.3" East
Some cities around Gornyak sort by population:
• Rubtsovsk
		60.6 km =37.7 mi, 
342°
• Shemonaīkha, KZ
		51.4 km =31.9 mi, 
142°
• Zmeinogorsk
		54.1 km =33.6 mi, 
70°
• Zhezkent, KZ
		10.1 km =6.3 mi, 
226°
• Ūst’-Talovka, KZ
		56.4 km =35 mi, 
151°
• Borodulikha, KZ
		48.6 km =30.2 mi, 
230°
• Veseloyarsk
		41.1 km =25.5 mi, 
322°
• Staroaleyskoye
		37.4 km =23.2 mi, 
87°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016