Night Light of Blue Ash (Ohio) from space (United States) Src. Average luminocity for 10x10km area is 85.4218% and for 50x50km: 61.9156%.
Square area 10x10 km:
 20.75%
 27.89%
 16.5%
 20.41%
 10.03%
 4.42%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 12.66%
 14.21%
 9.01%
 12.03%
 11.47%
 9.33%
 4.96%
 4.68%
 5.85%
 6.58%
 9.23%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 46' 28.3" North, 85° 4' 53" West
39° 13' 55.2" North, 84° 22' 41.8" West
38° 41' 6.9" North, 83° 40' 30.5" West
Some cities around Blue Ash sort by population:
• Sharonville
		5 km =3.1 mi, 
323°
• Montgomery
		2.1 km =1.3 mi, 
101°
• Reading
		5.6 km =3.5 mi, 
260°
• Madeira
		4.7 km =2.9 mi, 
164°
• Wyoming
		7.5 km =4.7 mi, 
269°
• Kenwood
		2.6 km =1.6 mi, 
158°
• The Village of Indian Hill
		6.9 km =4.3 mi, 
147°
• Deer Park
		3.3 km =2.1 mi, 
205°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016