Night Light of Portsmouth (Saint John) from space (Dominica) Src. Average luminocity for 10x10km area is 4.3398% and for 50x50km: 0.4698%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
16° 15' 34.1" North, 62° 10' 11.3" West
15° 34' 60" North, 61° 28' 0" West
14° 54' 17.8" North, 60° 45' 48.8" West
Some cities around Portsmouth sort by population:
• Roseau
32.4 km =20.1 mi, 164°
• Grand-Bourg, GP
37.2 km =23.1 mi, 25°
• Saint Joseph
20.7 km =12.9 mi, 170°
• Wesley
16.2 km =10.1 mi, 96°
• Pointe Michel
37.3 km =23.2 mi, 164°
• Colihaut
11 km =6.8 mi, 177°
• Rosalie
32.2 km =20 mi, 138°
• Pont Cassé
27.1 km =16.8 mi, 152°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016