Night Light of Nogueira da Regedoura (Aveiro) from space (Portugal) Src. Average luminocity for 10x10km area is 91.9694% and for 50x50km: 40.2977%.
Square area 10x10 km:
 30.78%
 30.78% 39.46%
 39.46% 17.86%
 17.86% 8.16%
 8.16% 0.68%
 0.68% 0.68%
 0.68% 1.53%
 1.53% 0.85%
 0.85% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 11.57%
 11.57% 8.04%
 8.04% 4.38%
 4.38% 5.36%
 5.36% 6.5%
 6.5% 4.66%
 4.66% 3.85%
 3.85% 4.75%
 4.75% 6.53%
 6.53% 8.12%
 8.12% 36.24%
 36.24%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 32' 1.6" North, 9° 17' 42.3" West
41° 0' 19.1" North, 8° 35' 31" West
40° 28' 21.2" North, 7° 53' 19.8" West
Some cities around Nogueira da Regedoura sort by population:
• Espinho
		4.1 km =2.5 mi,  273°
273°
• São Félix da Marinha
		4.2 km =2.6 mi,  322°
322°
• Grijó
		2.7 km =1.7 mi,  21°
21°
• Lourosa
		4.1 km =2.5 mi,  124°
124°
• Argoncilhe
		5 km =3.1 mi,  63°
63°
• Serzedo
		5.5 km =3.4 mi,  338°
338°
• Silvalde
		3.2 km =2 mi,  242°
242°
• Lamas
		2.9 km =1.8 mi,  138°
138°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016