Night Light of Seia (Guarda) from space (Portugal) Src. Average luminocity for 10x10km area is 25.0493% and for 50x50km: 12.2263%.
Square area 10x10 km:
2.38%
2.89%
1.87%
2.72%
4.08%
5.44%
2.72%
3.4%
8.5%
32.99%
32.99%Square area 50x50 km:
0.84%
1.62%
1.14%
1.3%
1.57%
1.92%
1.59%
2.28%
4.05%
11.74%
71.96%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 56' 53.9" North, 8° 24' 42.2" West
40° 24' 54.4" North, 7° 42' 30.9" West
39° 52' 39.5" North, 7° 0' 19.7" West
Some cities around Seia sort by population:
• Viseu
32.2 km =20 mi,
328°
• Covilhã
22.8 km =14.2 mi,
130°
• Tábua
27.8 km =17.3 mi,
257°
• Rio de Loba
31.3 km =19.4 mi,
332°
• Mangualde
21.5 km =13.4 mi,
348°
• Tondela
33.5 km =20.8 mi,
289°
• São Romão
1.6 km =1 mi,
198°
• Carregal do Sal
24.7 km =15.3 mi,
274°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016