Night Light of Mount Zion (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 24.6718% and for 50x50km: 8.7812%.
Square area 10x10 km:
 1.02%
 0.68%
 4.42%
 5.1%
 3.74%
 5.27%
 5.1%
 4.42%
 8.16%
 17.86%
 44.22%Square area 50x50 km:
 1.28%
 1.39%
 1.13%
 1.16%
 1.18%
 1.56%
 1.21%
 1.48%
 1.92%
 4.29%
 83.39%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 18' 35" North, 89° 34' 38.5" West
39° 46' 17.1" North, 88° 52' 27.3" West
39° 13' 44" North, 88° 10' 16" West
Some cities around Mount Zion sort by population:
• Decatur
		10.3 km =6.4 mi, 
318°
• Mattoon
		53.6 km =33.3 mi, 
126°
• Lincoln
		59.2 km =36.8 mi, 
315°
• Taylorville
		43.7 km =27.2 mi, 
235°
• Savoy
		61.7 km =38.3 mi, 
59°
• Clinton
		43.2 km =26.8 mi, 
349°
• Pana
		46 km =28.6 mi, 
202°
• Monticello
		38.4 km =23.9 mi, 
41°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016