Night Light of Luga (Leningradskaya Oblast') from space (Russia) Src. Average luminocity for 10x10km area is 21.7585% and for 50x50km: 1.3654%.
Square area 10x10 km:
 1.36%
 2.27%
 1.93%
 5.44%
 5.78%
 5.56%
 0.11%
 0%
 1.02%
 27.55%
 48.98%Square area 50x50 km:
 0.07%
 0.13%
 0.15%
 0.29%
 0.27%
 0.34%
 0.16%
 0.05%
 0.04%
 1.3%
 97.2%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
59° 6' 0.8" North, 29° 8' 31.8" East
58° 44' 14" North, 29° 50' 43" East
58° 22' 13.5" North, 30° 32' 54.3" East
Some cities around Luga sort by population:
• Velikiy Novgorod
		85.9 km =53.4 mi, 
106°
• Volosovo
		81.3 km =50.5 mi, 
345°
• Siverskiy
		69.9 km =43.4 mi, 
10°
• Vyritsa
		79.9 km =49.6 mi, 
21°
• Sol’tsy
		73.7 km =45.8 mi, 
157°
• Pankovka
		82.7 km =51.4 mi, 
108°
• Strugi-Krasnyye
		67.4 km =41.9 mi, 
219°
• Mariyenburg
		93.6 km =58.2 mi, 
7°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016