Night Light of Bright (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 16.1548% and for 50x50km: 23.1724%.
Square area 10x10 km:
 0.85%
 1.87%
 2.72%
 0%
 1.36%
 2.04%
 3.06%
 2.55%
 3.91%
 31.8%
 49.83%Square area 50x50 km:
 2.98%
 3.85%
 2.9%
 4.38%
 5.09%
 3.87%
 2.93%
 3.18%
 4.59%
 8.34%
 57.88%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 45' 39.6" North, 85° 33' 33.1" West
39° 13' 6.2" North, 84° 51' 21.8" West
38° 40' 17.5" North, 84° 9' 10.6" West
Some cities around Bright sort by population:
• Bridgetown
		20.2 km =12.6 mi, 
111°
• Mack
		19 km =11.8 mi, 
110°
• Dent
		18 km =11.2 mi, 
101°
• Harrison
		5.8 km =3.6 mi, 
32°
• Cheviot
		22 km =13.7 mi, 
108°
• Francisville
		17 km =10.6 mi, 
137°
• Hebron
		21.6 km =13.4 mi, 
141°
• Hidden Valley
		6.3 km =3.9 mi, 
169°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016