Night Light of Mariinskiy Posad (Chuvashia) from space (Russia) Src. Average luminocity for 10x10km area is 0.2811% and for 50x50km: 2.3428%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.96%
 0%
 99.04%Square area 50x50 km:
 0.36%
 0.39%
 0.21%
 0.24%
 0.33%
 0.17%
 0.13%
 0.12%
 0.82%
 3.05%
 94.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
56° 30' 18" North, 47° 0' 53.7" East
56° 6' 53.9" North, 47° 43' 5" East
55° 43' 15.5" North, 48° 25' 16.2" East
Some cities around Mariinskiy Posad sort by population:
• Cheboksary
		29 km =18 mi, 
273°
• Novocheboksarsk
		14.9 km =9.3 mi, 
268°
• Tsivil’sk
		31.1 km =19.3 mi, 
208°
• Zvenigovo
		24 km =14.9 mi, 
130°
• Kozlovka
		44.8 km =27.8 mi, 
132°
• Kugesi
		28.1 km =17.5 mi, 
250°
• Novyye Lapsary
		31.7 km =19.7 mi, 
260°
• Krasnogorskiy
		37.9 km =23.5 mi, 
83°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016