Night Light of Helmbrechts (Bavaria) from space (Germany) Src. Average luminocity for 10x10km area is 3.5949% and for 50x50km: 2.0453%.
Square area 10x10 km:
 0.4%
 0.13%
 1.2%
 1.07%
 0.4%
 0.53%
 0%
 0%
 0%
 0%
 96.26%Square area 50x50 km:
 0.2%
 0.27%
 0.16%
 0.3%
 0.14%
 0.34%
 0.45%
 0.52%
 0.21%
 0.95%
 96.45%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 40' 59.5" North, 11° 0' 46" East
50° 14' 8.1" North, 11° 42' 57.2" East
49° 47' 1.4" North, 12° 25' 8.5" East
Some cities around Helmbrechts sort by population:
• Hof
		16.4 km =10.2 mi, 
58°
• Kulmbach
		24.1 km =15 mi, 
231°
• Münchberg
		7.3 km =4.5 mi, 
134°
• Schwarzenbach an der Saale
		15.7 km =9.8 mi, 
95°
• Rehau
		22.7 km =14.1 mi, 
86°
• Naila
		10.6 km =6.6 mi, 
355°
• Bad Lobenstein
		24.7 km =15.3 mi, 
347°
• Oberkotzau
		15.8 km =9.8 mi, 
79°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016