Night Light of Catu (Bahia) from space (Brazil) Src. Average luminocity for 10x10km area is 41.0393% and for 50x50km: 13.0053%.
Square area 10x10 km:
 4.75%
 9.92%
 3.31%
 3.1%
 6.61%
 7.64%
 7.02%
 7.23%
 9.09%
 34.92%
 6.4%Square area 50x50 km:
 0.86%
 2.33%
 1.13%
 0.93%
 1.25%
 2.19%
 2.66%
 2.94%
 4.72%
 9.71%
 71.28%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
11° 39' 55.2" South, 39° 4' 55.3" West
12° 21' 11" South, 38° 22' 44" West
13° 2' 20.4" South, 37° 40' 32.8" West
Some cities around Catu sort by population:
• Camaçari
		38.8 km =24.1 mi, 
171°
• Alagoinhas
		24.6 km =15.3 mi, 
349°
• Santo Amaro
		42.1 km =26.2 mi, 
239°
• São Sebastião do Passé
		21.8 km =13.5 mi, 
215°
• Mata de São João
		21.5 km =13.4 mi, 
156°
• São Francisco do Conde
		44.7 km =27.8 mi, 
226°
• Conceição do Jacuípe
		42.3 km =26.3 mi, 
275°
• Coração de Maria
		42.5 km =26.4 mi, 
288°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016