Night Light of Cacilhas (District of Setúbal) from space (Portugal) Src. Average luminocity for 10x10km area is 80.2364% and for 50x50km: 49.9554%.
Square area 10x10 km:
 39.12%
 39.12% 16.67%
 16.67% 3.06%
 3.06% 8.33%
 8.33% 7.31%
 7.31% 7.14%
 7.14% 11.39%
 11.39% 6.97%
 6.97% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 15.7%
 15.7% 12.57%
 12.57% 4.42%
 4.42% 5.05%
 5.05% 6.34%
 6.34% 5.19%
 5.19% 4.79%
 4.79% 5.81%
 5.81% 8.46%
 8.46% 7.86%
 7.86% 23.81%
 23.81%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 13' 59.2" North, 9° 51' 9" West
38° 41' 11" North, 9° 8' 57.8" West
38° 8' 7.5" North, 8° 26' 46.5" West
Some cities around Cacilhas sort by population:
• Lisbon
		3.6 km =2.2 mi,  22°
22°
• Corroios
		5.2 km =3.2 mi,  181°
181°
• Almada
		1 km =0.6 mi,  218°
218°
• Caparica
		5.2 km =3.2 mi,  238°
238°
• Laranjeira
		3.4 km =2.1 mi,  186°
186°
• Piedade
		2 km =1.2 mi,  203°
203°
• Sobreda
		5.4 km =3.4 mi,  220°
220°
• Pragal
		2.2 km =1.4 mi,  233°
233°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016