Night Light of Harrisburg (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 26.5408% and for 50x50km: 3.6349%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 17' 32.4" North, 89° 14' 37.5" West
37° 44' 18.2" North, 88° 32' 26.2" West
37° 10' 48.9" North, 87° 50' 15" West
Some cities around Harrisburg sort by population:
• Carbondale
59.5 km =37 mi, 268°
• Marion
34.5 km =21.4 mi, 268°
• Herrin
43.4 km =27 mi, 279°
• West Frankfort
38.6 km =24 mi, 297°
• Benton
44 km =27.3 mi, 310°
• Mount Vernon
60.7 km =37.7 mi, 69°
• Carterville
47.2 km =29.3 mi, 272°
• Carmi
51.6 km =32.1 mi, 40°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016