Night Light of Abraveses (Viseu) from space (Portugal) Src. Average luminocity for 10x10km area is 62.1932% and for 50x50km: 12.5156%.
Square area 10x10 km:
 15.26%
 15.75%
 6.49%
 8.93%
 5.19%
 9.58%
 6.49%
 8.6%
 17.53%
 6.17%
 0%Square area 50x50 km:
 1.04%
 1.67%
 1.1%
 1.07%
 1.66%
 2.05%
 1.81%
 2.72%
 4.59%
 9.6%
 72.7%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 12' 44.8" North, 8° 37' 26.9" West
40° 40' 52.9" North, 7° 55' 15.7" West
40° 8' 45.7" North, 7° 13' 4.4" West
Some cities around Abraveses sort by population:
• Viseu
		2.5 km =1.6 mi, 
157°
• Rio de Loba
		4 km =2.5 mi, 
115°
• Mangualde
		16 km =9.9 mi, 
122°
• Tondela
		22.7 km =14.1 mi, 
216°
• Seia
		34.6 km =21.5 mi, 
148°
• Carregal do Sal
		28.4 km =17.6 mi, 
193°
• Aguiar da Beira
		35.1 km =21.8 mi, 
64°
• Vila Nova de Paiva
		25.1 km =15.6 mi, 
40°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016