Night Light of Kolpino (St.-Petersburg) from space (Russia) Src. Average luminocity for 10x10km area is 63.5487% and for 50x50km: 32.9947%.
Square area 10x10 km:
 19.59%
 20.89%
 7.25%
 5.52%
 0.54%
 4.22%
 4.87%
 8.44%
 16.56%
 10.28%
 1.84%Square area 50x50 km:
 17.81%
 6.2%
 1.83%
 1.99%
 0.87%
 1.25%
 1.47%
 2.7%
 4.62%
 8.77%
 52.49%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
60° 6' 10.9" North, 29° 53' 7.6" East
59° 45' 2.5" North, 30° 35' 18.8" East
59° 23' 40.6" North, 31° 17' 30.1" East
Some cities around Kolpino sort by population:
• Pushkin
		11.5 km =7.1 mi, 
249°
• Rybatskoye
		11.1 km =6.9 mi, 
332°
• Obukhovo
		12.9 km =8 mi, 
323°
• Metallostroy
		6 km =3.7 mi, 
337°
• Nikol’skoye
		12.3 km =7.6 mi, 
116°
• Pavlovsk
		11.4 km =7.1 mi, 
229°
• Imeni Sverdlova
		6.6 km =4.1 mi, 
40°
• Pontonnyy
		4.3 km =2.7 mi, 
20°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016