Night Light of Romanovka (Leningradskaya Oblast') from space (Russia) Src. Average luminocity for 10x10km area is 38.8247% and for 50x50km: 29.4425%.
Square area 10x10 km:
 6.28%
 9.42%
 4.22%
 2.81%
 9.63%
 5.52%
 0.43%
 2.16%
 11.47%
 27.06%
 21%Square area 50x50 km:
 15.65%
 4.37%
 1.79%
 2.27%
 3.04%
 1.02%
 0.87%
 2.18%
 4.08%
 6.88%
 57.85%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
60° 23' 36.7" North, 30° 0' 39.2" East
60° 2' 39.5" North, 30° 42' 50.4" East
59° 41' 28.8" North, 31° 25' 1.7" East
Some cities around Romanovka sort by population:
• Krasnogvargeisky
		15.4 km =9.6 mi, 
239°
• Akademicheskoe
		18.1 km =11.2 mi, 
259°
• Grazhdanka
		17.2 km =10.7 mi, 
266°
• Vsevolozhsk
		4 km =2.5 mi, 
214°
• Novoye Devyatkino
		13 km =8.1 mi, 
279°
• Koltushi
		13.3 km =8.3 mi, 
196°
• Murino
		14.5 km =9 mi, 
271°
• Toksovo
		16.3 km =10.1 mi, 
317°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016