Night Light of Henderson (Kentucky) from space (United States) Src. Average luminocity for 10x10km area is 47.1871% and for 50x50km: 15.7268%.
Square area 10x10 km:
 8.33%
 10.54%
 5.61%
 7.14%
 1.53%
 10.2%
 4.25%
 6.8%
 16.67%
 24.66%
 4.25%Square area 50x50 km:
 2.52%
 2.62%
 1.52%
 1.94%
 1.88%
 2.72%
 2.31%
 2.69%
 4.43%
 9.03%
 68.35%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 23' 21.7" North, 88° 17' 35.3" West
37° 50' 10.1" North, 87° 35' 24" West
37° 16' 43.5" North, 86° 53' 12.8" West
Some cities around Henderson sort by population:
• Evansville
		15.7 km =9.8 mi, 
11°
• Owensboro
		42.4 km =26.3 mi, 
99°
• Madisonville
		57.1 km =35.5 mi, 
171°
• Princeton
		57.8 km =35.9 mi, 
1°
• Mount Vernon
		28.8 km =17.9 mi, 
291°
• Knottsville
		60.7 km =37.7 mi, 
96°
• Boonville
		36.4 km =22.6 mi, 
49°
• Carmi
		57.3 km =35.6 mi, 
299°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016