Night Light of Mariyenburg (Leningradskaya Oblast') from space (Russia) Src. Average luminocity for 10x10km area is 37.2789% and for 50x50km: 13.143%.
Square area 10x10 km:
 13.27%
 11.11%
 2.72%
 2.04%
 0.34%
 0.91%
 0.79%
 2.15%
 14.74%
 17.12%
 34.81%Square area 50x50 km:
 3.12%
 3.11%
 1.19%
 1.34%
 0.99%
 1.21%
 0.62%
 1.72%
 3.58%
 7.49%
 75.64%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
59° 55' 32.2" North, 29° 21' 41.8" East
59° 34' 17" North, 30° 3' 53" East
59° 12' 48.2" North, 30° 46' 4.3" East
Some cities around Mariyenburg sort by population:
• Pushkin
		24.5 km =15.2 mi, 
49°
• Gatchina
		3.6 km =2.2 mi, 
81°
• Krasnoye Selo
		18.6 km =11.6 mi, 
4°
• Gorelovo
		22.7 km =14.1 mi, 
9°
• Kommunar
		19.1 km =11.9 mi, 
73°
• Pavlovsk
		24.2 km =15 mi, 
59°
• Siverskiy
		24.1 km =15 mi, 
178°
• Vyritsa
		24.2 km =15 mi, 
138°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016