Night Light of Effingham (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 50.7565% and for 50x50km: 4.1032%.
Square area 10x10 km:
 11.53%
 10.23%
 8.12%
 6.33%
 3.25%
 4.71%
 3.9%
 11.04%
 17.05%
 21.59%
 2.27%Square area 50x50 km:
 0.48%
 0.53%
 0.69%
 0.54%
 0.48%
 0.32%
 0.48%
 0.91%
 1.11%
 2.83%
 91.61%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 39' 48.3" North, 89° 14' 47.4" West
39° 7' 12.1" North, 88° 32' 36.2" West
38° 34' 20.7" North, 87° 50' 24.9" West
Some cities around Effingham sort by population:
• Charleston
		52.4 km =32.6 mi, 
37°
• Mattoon
		43 km =26.7 mi, 
19°
• Olney
		58.7 km =36.5 mi, 
137°
• Robinson
		70.6 km =43.9 mi, 
100°
• Salem
		64.9 km =40.3 mi, 
212°
• Vandalia
		50.7 km =31.5 mi, 
249°
• Mount Zion
		77.8 km =48.3 mi, 
338°
• Pana
		55 km =34.2 mi, 
302°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016