Night Light of Bluffton (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 23.013% and for 50x50km: 4.4723%.
Square area 10x10 km:
 2.44%
 4.06%
 3.25%
 4.38%
 1.46%
 2.11%
 3.08%
 3.73%
 1.14%
 21.1%
 53.25%Square area 50x50 km:
 0.35%
 0.57%
 0.64%
 0.5%
 0.44%
 0.46%
 0.75%
 0.76%
 0.7%
 3.09%
 91.75%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 16' 9.4" North, 85° 52' 29.2" West
40° 44' 19.2" North, 85° 10' 17.9" West
40° 12' 13.6" North, 84° 28' 6.7" West
Some cities around Bluffton sort by population:
• Fort Wayne
		43.7 km =27.2 mi, 
4°
• Marion
		45.8 km =28.5 mi, 
244°
• Huntington
		31.8 km =19.8 mi, 
300°
• New Haven
		39.2 km =24.4 mi, 
19°
• Decatur
		22.8 km =14.2 mi, 
63°
• Portland
		37.6 km =23.4 mi, 
154°
• Hartford City
		36.1 km =22.4 mi, 
207°
• Gas City
		46.6 km =29 mi, 
233°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016