Night Light of Igarassu (Pernambuco) from space (Brazil) Src. Average luminocity for 10x10km area is 66.1095% and for 50x50km: 27.1943%.
Square area 10x10 km:
 4.55%
 5.79%
 22.11%
 12.81%
 12.81%
 17.15%
 14.05%
 7.23%
 3.51%
 0%
 0%Square area 50x50 km:
 4.96%
 4.71%
 5.53%
 2.95%
 3.46%
 3.67%
 3.43%
 3.15%
 5.43%
 11.64%
 51.08%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
7° 8' 13.3" South, 35° 36' 34.3" West
7° 50' 3" South, 34° 54' 23" West
8° 31' 48.5" South, 34° 12' 11.8" West
Some cities around Igarassu sort by population:
• Recife
		24.6 km =15.3 mi, 
173°
• Olinda
		20.2 km =12.6 mi, 
163°
• Paulista
		12.4 km =7.7 mi, 
162°
• São Lourenço da Mata
		22.4 km =13.9 mi, 
213°
• Abreu e Lima
		8.6 km =5.3 mi, 
177°
• Itapissuma
		6.6 km =4.1 mi, 
13°
• Itamaracá
		13.1 km =8.1 mi, 
42°
• Araçoiaba
		20.9 km =13 mi, 
283°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016