Night Light of Działdowo (Warmia-Masuria) from space (Poland) Src. Average luminocity for 10x10km area is 8.2753% and for 50x50km: 1.6889%.
Square area 10x10 km:
 2.27%
 2.78%
 0%
 0%
 0%
 1.52%
 0.51%
 0%
 0%
 0.76%
 92.17%Square area 50x50 km:
 0.29%
 0.4%
 0.1%
 0.17%
 0.14%
 0.17%
 0.22%
 0.15%
 0.14%
 0.7%
 97.52%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 39' 29.9" North, 19° 28' 0.9" East
53° 14' 22.5" North, 20° 10' 12.1" East
52° 49' 0.2" North, 20° 52' 23.4" East
Some cities around Działdowo sort by population:
• Ciechanów
		49.9 km =31 mi, 
142°
• Mława
		20.1 km =12.5 mi, 
134°
• Nidzica
		21.8 km =13.5 mi, 
51°
• Nowe Miasto Lubawskie
		43.2 km =26.8 mi, 
297°
• Lubawa
		40.5 km =25.2 mi, 
316°
• Żuromin
		26 km =16.2 mi, 
222°
• Lidzbark
		23 km =14.3 mi, 
276°
• Olsztynek
		39 km =24.2 mi, 
11°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016