Night Light of Vetluzhskiy (Kostroma Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 22.7823% and for 50x50km: 1.0298%.
Square area 10x10 km:
 1.02%
 5.78%
 7.03%
 3.51%
 2.95%
 0.57%
 0.45%
 0%
 0.57%
 25.96%
 52.15%Square area 50x50 km:
 0.04%
 0.23%
 0.28%
 0.14%
 0.14%
 0.02%
 0.02%
 0%
 0.02%
 1.24%
 97.86%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
58° 45' 24.4" North, 44° 45' 44.3" East
58° 23' 24.6" North, 45° 27' 55.5" East
58° 1' 10.9" North, 46° 10' 6.8" East
Some cities around Vetluzhskiy sort by population:
• Shar’ya
		3.7 km =2.3 mi, 
128°
• Shakhun’ya
		104.2 km =64.7 mi, 
139°
• Manturovo
		41.5 km =25.8 mi, 
260°
• Uren’
		105.7 km =65.7 mi, 
169°
• Neya
		93.8 km =58.3 mi, 
263°
• Nikol’sk
		127.3 km =79.1 mi, 
359°
• Makar’yev
		112.5 km =69.9 mi, 
240°
• Leninskoye
		95 km =59 mi, 
94°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016