Night Light of Portstewart (Northern Ireland) from space (United Kingdom) Src. Average luminocity for 10x10km area is 15.4185% and for 50x50km: 1.6841%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 34' 50.8" North, 7° 25' 1.7" West
55° 10' 52.8" North, 6° 42' 50.5" West
54° 46' 40.2" North, 6° 0' 39.2" West
Some cities around Portstewart sort by population:
• Londonderry County Borough
43.1 km =26.8 mi, 241°
• Derry
43 km =26.7 mi, 241°
• Ballymena
45 km =28 mi, 141°
• Coleraine
6.1 km =3.8 mi, 150°
• Limavady
20.9 km =13 mi, 225°
• Ballymoney
17.9 km =11.1 mi, 133°
• Portrush
4.4 km =2.7 mi, 68°
• Ballycastle
30 km =18.6 mi, 85°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016