Night Light of Argoncilhe (Aveiro) from space (Portugal) Src. Average luminocity for 10x10km area is 86.0527% and for 50x50km: 45.1423%.
Square area 10x10 km:
 20.58%
 20.58% 27.21%
 27.21% 21.09%
 21.09% 17.86%
 17.86% 9.18%
 9.18% 4.08%
 4.08% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 12.84%
 12.84% 8.96%
 8.96% 5.06%
 5.06% 6.12%
 6.12% 7.38%
 7.38% 5.29%
 5.29% 4.63%
 4.63% 5.06%
 5.06% 6.86%
 6.86% 8.14%
 8.14% 29.66%
 29.66%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 33' 13.4" North, 9° 14' 31.1" West
41° 1' 31.5" North, 8° 32' 19.9" West
40° 29' 34.2" North, 7° 50' 8.6" West
Some cities around Argoncilhe sort by population:
• Grijó
		3.5 km =2.2 mi,  275°
275°
• Lourosa
		4.7 km =2.9 mi,  192°
192°
• Fiães
		3.6 km =2.2 mi,  161°
161°
• Sandim
		2.9 km =1.8 mi,  68°
68°
• Perozinho
		5.9 km =3.7 mi,  318°
318°
• Olival
		2.8 km =1.7 mi,  350°
350°
• Lamas
		5.1 km =3.2 mi,  210°
210°
• Nogueira da Regedoura
		5 km =3.1 mi,  243°
243°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016