Night Light of Schwarzheide (Brandenburg) from space (Germany) Src. Average luminocity for 10x10km area is 9.0829% and for 50x50km: 2.19%.
Square area 10x10 km:
 1.34%
 1.87%
 0%
 1.34%
 1.6%
 0.8%
 1.47%
 1.2%
 0.53%
 0%
 89.84%Square area 50x50 km:
 0.14%
 0.23%
 0.14%
 0.36%
 0.35%
 0.44%
 0.54%
 0.52%
 0.28%
 0.26%
 96.74%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 54' 45.1" North, 13° 9' 8.9" East
51° 28' 36.2" North, 13° 51' 20.1" East
51° 2' 12" North, 14° 33' 31.4" East
Some cities around Schwarzheide sort by population:
• Senftenberg
		11.5 km =7.1 mi, 
61°
• Lauchhammer
		6.3 km =3.9 mi, 
281°
• Finsterwalde
		20.3 km =12.6 mi, 
329°
• Großräschen
		16.4 km =10.2 mi, 
41°
• Doberlug-Kirchhain
		26.2 km =16.3 mi, 
309°
• Elsterwerda
		23.3 km =14.5 mi, 
265°
• Schipkau
		5.4 km =3.4 mi, 
32°
• Bernsdorf
		18.7 km =11.6 mi, 
127°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016