Night Light of Otradnoye (Leningradskaya Oblast') from space (Russia) Src. Average luminocity for 10x10km area is 16.7262% and for 50x50km: 21.8772%.
Square area 10x10 km:
 2.38%
 2.81%
 2.6%
 3.46%
 1.3%
 0.54%
 0.11%
 0%
 1.08%
 25.22%
 60.5%Square area 50x50 km:
 10.59%
 4.27%
 1.57%
 1.5%
 0.65%
 1.03%
 0.97%
 2.15%
 3.17%
 6.56%
 67.55%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
60° 7' 46.4" North, 30° 6' 53.8" East
59° 46' 39" North, 30° 49' 5" East
59° 25' 18.1" North, 31° 31' 16.3" East
Some cities around Otradnoye sort by population:
• Kolpino
		13.2 km =8.2 mi, 
256°
• Metallostroy
		15.3 km =9.5 mi, 
279°
• Kirovsk
		15.2 km =9.4 mi, 
40°
• Nikol’skoye
		8.8 km =5.5 mi, 
192°
• Mga
		14.3 km =8.9 mi, 
102°
• Ul’yanovka
		15.6 km =9.7 mi, 
191°
• Imeni Sverdlova
		8.8 km =5.5 mi, 
283°
• Pontonnyy
		11.4 km =7.1 mi, 
275°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016