Night Light of Sestroretsk (St.-Petersburg) from space (Russia) Src. Average luminocity for 10x10km area is 36.219% and for 50x50km: 31.6584%.
Square area 10x10 km:
 3.31%
 6.51%
 6.1%
 4.13%
 4.96%
 3.1%
 2.38%
 6.2%
 23.35%
 28.51%
 11.47%Square area 50x50 km:
 11.36%
 5.76%
 2.95%
 3.86%
 3.64%
 1.54%
 0.93%
 1.88%
 8.2%
 15.42%
 44.44%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
60° 26' 48" North, 29° 15' 38.4" East
60° 5' 52.8" North, 29° 57' 49.6" East
59° 44' 44.2" North, 30° 40' 0.9" East
Some cities around Sestroretsk sort by population:
• Kurortnyy
		8.1 km =5 mi, 
337°
• Untolovo
		16.6 km =10.3 mi, 
125°
• Sertolovo
		14.1 km =8.8 mi, 
68°
• Kronstadt
		15.8 km =9.8 mi, 
223°
• Pargolovo
		17.4 km =10.8 mi, 
96°
• Lakhtinskiy
		15.3 km =9.5 mi, 
138°
• Pesochnyy
		11.4 km =7.1 mi, 
75°
• Tarkhovka
		3.5 km =2.2 mi, 
170°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016