Night Light of Heiligenhafen (Schleswig-Holstein) from space (Germany) Src. Average luminocity for 10x10km area is 1.6679% and for 50x50km: 0.403%.
Square area 10x10 km:
 0%
 0.38%
 0.13%
 0%
 0.5%
 0.5%
 1%
 0%
 0%
 0%
 97.49%Square area 50x50 km:
 0.01%
 0.04%
 0%
 0%
 0.05%
 0.16%
 0.12%
 0.27%
 0.16%
 0%
 99.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 46' 38" North, 10° 16' 37.6" East
54° 22' 10.7" North, 10° 58' 48.8" East
53° 57' 28.8" North, 11° 41' 0.1" East
Some cities around Heiligenhafen sort by population:
• Neustadt in Holstein
		31.1 km =19.3 mi, 
200°
• Fehmarn
		15.7 km =9.8 mi, 
61°
• Malente
		35 km =21.7 mi, 
231°
• Oldenburg in Holstein
		9.7 km =6 mi, 
211°
• Grömitz
		24.4 km =15.2 mi, 
182°
• Burg auf Fehmarn
		15.9 km =9.9 mi, 
63°
• Lütjenburg
		26.8 km =16.7 mi, 
251°
• Lensahn
		18.2 km =11.3 mi, 
200°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016