Night Light of Sopot (Pomerania) from space (Poland) Src. Average luminocity for 10x10km area is 54.7273% and for 50x50km: 19.4687%.
Square area 10x10 km:
 17.34%
 15.55%
 1.79%
 3.35%
 1.67%
 1.08%
 3.95%
 30.02%
 13.4%
 7.3%
 4.55%Square area 50x50 km:
 5.49%
 4.59%
 0.97%
 1.37%
 1.63%
 1.69%
 2.15%
 3.84%
 5.17%
 9.92%
 63.17%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 50' 55.1" North, 17° 51' 24.9" East
54° 26' 30.5" North, 18° 33' 36.1" East
54° 1' 51.1" North, 19° 15' 47.4" East
Some cities around Sopot sort by population:
• Gdańsk
		11.4 km =7.1 mi, 
150°
• Gdynia
		8.8 km =5.5 mi, 
348°
• Rumia
		18.2 km =11.3 mi, 
322°
• Pruszcz Gdański
		20.6 km =12.8 mi, 
166°
• Reda
		22.8 km =14.2 mi, 
322°
• Kartuzy
		26.4 km =16.4 mi, 
243°
• Wielki Kack
		5.5 km =3.4 mi, 
301°
• Żukowo
		16.8 km =10.4 mi, 
228°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016