Night Light of Gossau (Saint Gallen) from space (Switzerland) Src. Average luminocity for 10x10km area is 18.0824% and for 50x50km: 5.0636%.
Square area 10x10 km:
 1.85%
 3.27%
 2.84%
 1.7%
 1.85%
 1.85%
 0.99%
 2.84%
 2.41%
 20.6%
 59.8%Square area 50x50 km:
 0.35%
 0.56%
 0.61%
 0.47%
 0.59%
 0.61%
 0.89%
 0.75%
 0.78%
 4.48%
 89.91%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 53' 20.9" North, 8° 33' 6.1" East
47° 24' 55.8" North, 9° 15' 17.4" East
46° 56' 15.3" North, 9° 57' 28.6" East
Some cities around Gossau sort by population:
• Sankt Gallen
		9.1 km =5.7 mi, 
84°
• Herisau
		3.7 km =2.3 mi, 
150°
• Uzwil
		9.4 km =5.8 mi, 
284°
• Amriswil
		14.9 km =9.3 mi, 
11°
• Flawil
		5.4 km =3.4 mi, 
267°
• Wittenbach
		11.1 km =6.9 mi, 
62°
• Teufen
		10.3 km =6.4 mi, 
105°
• Oberuzwil
		9.7 km =6 mi, 
280°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016