Night Light of Horizonte (Ceará) from space (Brazil) Src. Average luminocity for 10x10km area is 65.7208% and for 50x50km: 30.4477%.
Square area 10x10 km:
 6.49%
 22.29%
 6.71%
 10.17%
 10.82%
 14.07%
 9.09%
 11.69%
 8.44%
 0.22%
 0%Square area 50x50 km:
 2.14%
 6.3%
 3.67%
 3.79%
 5.36%
 6.35%
 4.84%
 5.28%
 8.91%
 15.66%
 37.7%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
3° 23' 54.2" South, 39° 11' 11.3" West
4° 6' 0" South, 38° 28' 60" West
4° 48' 3.6" South, 37° 46' 48.8" West
Some cities around Horizonte sort by population:
• Aquiraz
		24.3 km =15.1 mi, 
24°
• Pacatuba
		19.9 km =12.4 mi, 
310°
• Cascavel
		27 km =16.8 mi, 
97°
• Pacajus
		8.4 km =5.2 mi, 
162°
• Eusébio
		23.6 km =14.7 mi, 
8°
• Itaitinga
		15.3 km =9.5 mi, 
341°
• Guaiúba
		18.3 km =11.4 mi, 
291°
• Chorozinho
		22.3 km =13.9 mi, 
184°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016