Night Light of Lakhtinskiy (St.-Petersburg) from space (Russia) Src. Average luminocity for 10x10km area is 57.013% and for 50x50km: 53.2945%.
Square area 10x10 km:
 17.1%
 16.99%
 4.65%
 6.39%
 3.35%
 6.49%
 4.33%
 4.65%
 11.58%
 16.67%
 7.79%Square area 50x50 km:
 23.1%
 10.75%
 4.47%
 5.64%
 4.77%
 2.33%
 1.73%
 4.06%
 10.78%
 15.11%
 17.25%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
60° 20' 41.9" North, 29° 26' 38.6" East
59° 59' 42.8" North, 30° 8' 49.8" East
59° 38' 30.2" North, 30° 51' 1.1" East
Some cities around Lakhtinskiy sort by population:
• Vasyl'evsky Ostrov
		8.5 km =5.3 mi, 
135°
• Komendantsky aerodrom
		7.2 km =4.5 mi, 
81°
• Chernaya Rechka
		8.7 km =5.4 mi, 
96°
• Untolovo
		3.9 km =2.4 mi, 
61°
• Kolomyagi
		8.3 km =5.2 mi, 
67°
• Staraya Derevnya
		5.4 km =3.4 mi, 
98°
• Novaya Derevnya
		7.8 km =4.8 mi, 
96°
• Krestovskiy ostrov
		6.7 km =4.2 mi, 
113°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016