Night Light of Douglas (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 82.846% and for 50x50km: 59.7207%.
Square area 10x10 km:
 56.19%
 56.19% 11.43%
 11.43% 0%
 0% 0.95%
 0.95% 5.71%
 5.71% 8.25%
 8.25% 8.41%
 8.41% 6.19%
 6.19% 2.86%
 2.86% 0%
 0% 0%
 0%Square area 50x50 km:
 37.76%
 37.76% 12.57%
 12.57% 3.13%
 3.13% 2.04%
 2.04% 2.39%
 2.39% 2.12%
 2.12% 2.24%
 2.24% 1.97%
 1.97% 2.17%
 2.17% 3%
 3% 30.62%
 30.62%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 21' 23.4" North, 88° 19' 16.5" West
41° 50' 5.1" North, 87° 37' 5.2" West
41° 18' 31.5" North, 86° 54' 54" West
Some cities around Douglas sort by population:
• Chicago
		3.1 km =1.9 mi,  302°
302°
• New City
		4.4 km =2.7 mi,  226°
226°
• Lower West Side
		4.5 km =2.8 mi,  298°
298°
• Bridgeport
		2.8 km =1.7 mi,  277°
277°
• Near South Side
		2.5 km =1.6 mi,  347°
347°
• Grand Boulevard
		2.3 km =1.4 mi,  178°
178°
• Kenwood
		3.3 km =2.1 mi,  149°
149°
• McKinley Park
		4.6 km =2.9 mi,  265°
265°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016