Night Light of Kurchatov (Kursk) from space (Russia) Src. Average luminocity for 10x10km area is 15.3235% and for 50x50km: 0.7604%.
Square area 10x10 km:
 2.52%
 3.64%
 0.42%
 1.4%
 2.1%
 1.82%
 1.82%
 1.82%
 2.24%
 3.22%
 78.99%Square area 50x50 km:
 0.1%
 0.14%
 0.02%
 0.05%
 0.08%
 0.13%
 0.1%
 0.14%
 0.2%
 0.17%
 98.87%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 5' 39" North, 34° 56' 56.3" East
51° 39' 36.4" North, 35° 39' 7.6" East
51° 13' 18.6" North, 36° 21' 18.8" East
Some cities around Kurchatov sort by population:
• Kursk
		37.9 km =23.5 mi, 
76°
• L’govskiy
		26.1 km =16.2 mi, 
262°
• Ryl’sk
		67.8 km =42.1 mi, 
261°
• Oboyan’
		66.3 km =41.2 mi, 
139°
• Sudzha
		57.8 km =35.9 mi, 
207°
• Korenëvo
		58.4 km =36.3 mi, 
241°
• Fatezh
		49.9 km =31 mi, 
16°
• Pryamitsyno
		19.3 km =12 mi, 
91°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016