Night Light of Koryazhma (Arkhangelskaya) from space (Russia) Src. Average luminocity for 10x10km area is 21.9358% and for 50x50km: 1.485%.
Square area 10x10 km:
 6.13%
 6.52%
 1.19%
 1.19%
 0.89%
 0.69%
 0%
 0.4%
 0.79%
 31.62%
 50.59%Square area 50x50 km:
 0.34%
 0.36%
 0.11%
 0.09%
 0.1%
 0.09%
 0.03%
 0.02%
 0.06%
 1.63%
 97.19%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
61° 39' 0.1" North, 46° 27' 57.7" East
61° 18' 51.6" North, 47° 10' 8.9" East
60° 58' 30" North, 47° 52' 20.2" East
Some cities around Koryazhma sort by population:
• Kotlas
		28.5 km =17.7 mi, 
257°
• Velikiy Ustyug
		76.8 km =47.7 mi, 
216°
• Mirnyy
		140.5 km =87.3 mi, 
270°
• Vychegodskiy
		16.3 km =10.1 mi, 
242°
• Luza
		76.1 km =47.3 mi, 
176°
• Zheshart
		152.3 km =94.6 mi, 
56°
• Krasavino
		53.7 km =33.4 mi, 
223°
• Dem’yanovo
		107.2 km =66.6 mi, 
182°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016