Night Light of Herzogenaurach (Bavaria) from space (Germany) Src. Average luminocity for 10x10km area is 18.3739% and for 50x50km: 13.1319%.
Square area 10x10 km:
 1.68%
 2.52%
 2.8%
 1.68%
 0.84%
 1.4%
 1.68%
 2.8%
 10.5%
 23.67%
 50.42%Square area 50x50 km:
 2.8%
 2.37%
 1.05%
 1.09%
 1.48%
 1.76%
 1.88%
 2.07%
 4.41%
 6.91%
 74.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 1' 18.7" North, 10° 10' 57.1" East
49° 34' 4.7" North, 10° 53' 8.3" East
49° 6' 35.4" North, 11° 35' 19.6" East
Some cities around Herzogenaurach sort by population:
• Fürth
		12.6 km =7.8 mi, 
144°
• Erlangen
		9.2 km =5.7 mi, 
73°
• Langenzenn
		10.6 km =6.6 mi, 
219°
• Cadolzburg
		12.5 km =7.8 mi, 
190°
• Emskirchen
		12.6 km =7.8 mi, 
262°
• Veitsbronn
		6.2 km =3.9 mi, 
178°
• Weisendorf
		7.5 km =4.7 mi, 
324°
• Hemhofen
		13.3 km =8.3 mi, 
14°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016