Night Light of Yayva (Perm) from space (Russia) Src. Average luminocity for 10x10km area is 3.5455% and for 50x50km: 2.4956%.
Square area 10x10 km:
 0.43%
 0.43%
 0.87%
 0.76%
 0.11%
 0.97%
 0.32%
 0%
 0%
 0.43%
 95.67%Square area 50x50 km:
 0.6%
 0.61%
 0.14%
 0.21%
 0.05%
 0.29%
 0.14%
 0.14%
 0.43%
 1.48%
 95.9%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
59° 41' 29.1" North, 56° 33' 21.9" East
59° 20' 4.9" North, 57° 15' 33.1" East
58° 58' 27.1" North, 57° 57' 44.4" East
Some cities around Yayva sort by population:
• Berezniki
		26.2 km =16.3 mi, 
288°
• Solikamsk
		43.1 km =26.8 mi, 
319°
• Gubakha
		57.7 km =35.9 mi, 
163°
• Kizel
		38.9 km =24.2 mi, 
145°
• Aleksandrovsk
		26.4 km =16.4 mi, 
138°
• Gremyachinsk
		92.6 km =57.5 mi, 
158°
• Ugleural’skiy
		47.4 km =29.5 mi, 
156°
• Usol’ye
		33.9 km =21.1 mi, 
286°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016