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:
2.01%
3.01%
0.75%
0.88%
3.63%
1.75%
1.5%
2.13%
1.5%
20.68%
62.16%Square area 50x50 km:
0.23%
0.25%
0.06%
0.17%
0.4%
0.2%
0.24%
0.21%
0.2%
1.25%
96.8%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