Night Light of São Sebastião (Alagoas) from space (Brazil) Src. Average luminocity for 10x10km area is 17.8533% and for 50x50km: 15.1852%.
Square area 10x10 km:
 1.45%
 2.69%
 0%
 4.13%
 0%
 3.51%
 3.1%
 1.86%
 1.45%
 13.02%
 68.8%Square area 50x50 km:
 1.3%
 3.1%
 1.14%
 1.4%
 2.6%
 3.62%
 2.36%
 2.82%
 4.23%
 6.9%
 70.53%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
9° 14' 25.1" South, 37° 15' 26.3" West
9° 56' 1" South, 36° 33' 15" West
10° 37' 31.6" South, 35° 51' 3.8" West
Some cities around São Sebastião sort by population:
• Arapiraca
		23.3 km =14.5 mi, 
329°
• Campo Alegre
		27.9 km =17.3 mi, 
52°
• Cajueiro
		26.7 km =16.6 mi, 
25°
• Lagoa da Canoa
		23.2 km =14.4 mi, 
299°
• Girau do Ponciano
		30.6 km =19 mi, 
280°
• Anadia
		39 km =24.2 mi, 
44°
• Junqueiro
		8.6 km =5.3 mi, 
83°
• Taquarana
		32.7 km =20.3 mi, 
11°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016