Night Light of Kwidzyn (Pomerania) from space (Poland) Src. Average luminocity for 10x10km area is 23.2702% and for 50x50km: 2.4781%.
Square area 10x10 km:
 6.31%
 5.3%
 2.15%
 2.4%
 0.38%
 0.88%
 1.26%
 1.26%
 1.39%
 30.43%
 48.23%Square area 50x50 km:
 0.5%
 0.38%
 0.19%
 0.19%
 0.31%
 0.23%
 0.28%
 0.38%
 0.24%
 2.14%
 95.16%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 8' 20.1" North, 18° 13' 40.9" East
53° 43' 29.8" North, 18° 55' 52.1" East
53° 18' 24.8" North, 19° 38' 3.4" East
Some cities around Kwidzyn sort by population:
• Grudziądz
		29.2 km =18.1 mi, 
203°
• Sztum
		22.7 km =14.1 mi, 
16°
• Prabuty
		18.3 km =11.4 mi, 
79°
• Pelplin
		27.3 km =17 mi, 
325°
• Gniew
		14.2 km =8.8 mi, 
330°
• Nowe
		15.9 km =9.9 mi, 
237°
• Susz
		26.7 km =16.6 mi, 
91°
• Dzierzgoń
		35 km =21.7 mi, 
51°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016