Night Light of Herisau (Appenzell Ausserrhoden) from space (Switzerland) Src. Average luminocity for 10x10km area is 19.5848% and for 50x50km: 5.6655%.
Square area 10x10 km:
 2.08%
 3.87%
 3.13%
 2.98%
 2.38%
 1.34%
 1.49%
 1.93%
 2.38%
 19.49%
 58.93%Square area 50x50 km:
 0.38%
 0.68%
 0.67%
 0.58%
 0.69%
 0.73%
 1.06%
 0.75%
 0.97%
 5.36%
 88.12%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 51' 36.2" North, 8° 34' 33.7" East
47° 23' 10.1" North, 9° 16' 45" East
46° 54' 28.6" North, 9° 58' 56.2" East
Some cities around Herisau sort by population:
• Sankt Gallen
		8.3 km =5.2 mi, 
59°
• Gossau
		3.7 km =2.3 mi, 
330°
• Uzwil
		12.3 km =7.6 mi, 
297°
• Flawil
		7.8 km =4.8 mi, 
292°
• Wittenbach
		11.6 km =7.2 mi, 
43°
• Teufen
		8.1 km =5 mi, 
86°
• Appenzell
		11.6 km =7.2 mi, 
121°
• Oberuzwil
		12.5 km =7.8 mi, 
293°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016