Night Light of Kurortnyy (Leningradskaya Oblast') from space (Russia) Src. Average luminocity for 10x10km area is 38.5899% and for 50x50km: 22.7291%.
Square area 10x10 km:
 2.27%
 5.79%
 7.33%
 12.19%
 5.89%
 2.07%
 0%
 1.34%
 19.73%
 34.4%
 8.99%Square area 50x50 km:
 5.84%
 4.39%
 2.53%
 3.19%
 3.37%
 1.78%
 0.73%
 1.3%
 5.64%
 13.23%
 58.01%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
60° 30' 48.8" North, 29° 12' 17.6" East
60° 9' 56.2" North, 29° 54' 28.8" East
59° 48' 50.2" North, 30° 36' 40.1" East
Some cities around Kurortnyy sort by population:
• Sertolovo
		16.4 km =10.2 mi, 
98°
• Kronstadt
		20.5 km =12.7 mi, 
202°
• Sestroretsk
		8.1 km =5 mi, 
157°
• Zelenogorsk
		12 km =7.5 mi, 
288°
• Roshchino
		19.1 km =11.9 mi, 
300°
• Pesochnyy
		14.9 km =9.3 mi, 
108°
• Tarkhovka
		11.6 km =7.2 mi, 
161°
• Agalatovo
		21.1 km =13.1 mi, 
73°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016