Night Light of Blankenburg (Berlin) from space (Germany) Src. Average luminocity for 10x10km area is 69.9894% and for 50x50km: 34.285%.
Square area 10x10 km:
 22.49%
 19.58%
 7.28%
 5.69%
 5.95%
 6.08%
 8.47%
 12.17%
 12.3%
 0%
 0%Square area 50x50 km:
 10.28%
 8.83%
 3.42%
 2.8%
 2.96%
 3.08%
 3.64%
 4.13%
 6.49%
 10.76%
 43.62%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 1' 4.7" North, 12° 45' 7.3" East
52° 35' 34.5" North, 13° 27' 18.6" East
52° 9' 49.4" North, 14° 9' 29.8" East
Some cities around Blankenburg sort by population:
• Pankow
		4.5 km =2.8 mi, 
233°
• Neu-Hohenschönhausen
		4.8 km =3 mi, 
126°
• Weißensee
		4.1 km =2.5 mi, 
169°
• Niederschönhausen
		3.7 km =2.3 mi, 
255°
• Französisch Buchholz
		2 km =1.2 mi, 
302°
• Karow
		2.5 km =1.6 mi, 
44°
• Rosenthal
		5.3 km =3.3 mi, 
278°
• Heinersdorf
		2.6 km =1.6 mi, 
206°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016