Night Light of Aleysk (Altai Krai) from space (Russia) Src. Average luminocity for 10x10km area is 5.2989% and for 50x50km: 0.2138%.
Square area 10x10 km:
 0.13%
 0.53%
 0.93%
 0.53%
 0.66%
 1.98%
 1.72%
 0.93%
 0%
 0%
 92.59%Square area 50x50 km:
 0.01%
 0.02%
 0.04%
 0.02%
 0.03%
 0.08%
 0.07%
 0.04%
 0%
 0%
 99.71%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 55' 7.1" North, 82° 4' 44.7" East
52° 29' 33.4" North, 82° 46' 55.9" East
52° 3' 44.7" North, 83° 29' 7.2" East
Some cities around Aleysk sort by population:
• Shipunovo
		46.5 km =28.9 mi, 
228°
• Topchikha
		42.8 km =26.6 mi, 
31°
• Mamontovo
		81.7 km =50.8 mi, 
286°
• Rebrikha
		71.1 km =44.2 mi, 
335°
• Ust’-Kalmanka
		54.5 km =33.9 mi, 
139°
• Nagornyy
		61.8 km =38.4 mi, 
56°
• Ust’-Charyshskaya Pristan’
		60.7 km =37.7 mi, 
100°
• Pervomayskiy
		89 km =55.3 mi, 
302°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016