Night Light of Ribeira Grande (Azores) from space (Portugal) Src. Average luminocity for 10x10km area is 4.5942% and for 50x50km: 0.7162%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 3' 53" North, 29° 24' 11.3" West
38° 31' 0" North, 28° 42' 0" West
37° 57' 51.9" North, 27° 59' 48.8" West
Some cities around Ribeira Grande sort by population:
• Ponta Delgada
278.8 km =173.2 mi, 108°
• Angra do Heroísmo
129.8 km =80.7 mi, 83°
• Rosto de Cão
280 km =174 mi, 107°
• Rabo de Peixe
283.6 km =176.2 mi, 106°
• Arrifes
275.3 km =171.1 mi, 107°
• Horta
6.8 km =4.2 mi, 70°
• Madalena
15.2 km =9.4 mi, 81°
• Praia da Vitória
143.9 km =89.4 mi, 80°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016