Night Light of Yasnogorsk (Tula) from space (Russia) Src. Average luminocity for 10x10km area is 2.201% and for 50x50km: 1.4251%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0.96%
 0.6%
 1.56%
 0.72%
 0%
 0.84%
 95.33%Square area 50x50 km:
 0.04%
 0.1%
 0.13%
 0.13%
 0.3%
 0.19%
 0.34%
 0.26%
 0.3%
 0.9%
 97.3%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 53' 14.2" North, 36° 59' 43.5" East
54° 28' 51" North, 37° 41' 54.7" East
54° 4' 13" North, 38° 24' 6" East
Some cities around Yasnogorsk sort by population:
• Tula
		32.1 km =19.9 mi, 
189°
• Pushchino
		39.6 km =24.6 mi, 
351°
• VenĂ«v
		39.4 km =24.5 mi, 
110°
• Leninskiy
		26.5 km =16.5 mi, 
215°
• Mendeleyevskiy
		38.9 km =24.2 mi, 
190°
• Gorelki
		25.6 km =15.9 mi, 
192°
• Zaokskiy
		33.7 km =20.9 mi, 
325°
• Rozhdestvenskiy
		22.2 km =13.8 mi, 
201°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016