Night Light of Pontarddulais (Wales) from space (United Kingdom) Src. Average luminocity for 10x10km area is 12.5% and for 50x50km: 7.673%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 8' 52" North, 4° 44' 30.2" West
51° 42' 51.2" North, 4° 2' 18.9" West
51° 16' 35.3" North, 3° 20' 7.7" West
Some cities around Pontarddulais sort by population:
• Swansea
12.3 km =7.6 mi, 147°
• Llanelli
9.2 km =5.7 mi, 247°
• Neath
17.1 km =10.6 mi, 109°
• Ammanford
9.4 km =5.8 mi, 21°
• Gorseinon
5 km =3.1 mi, 182°
• Clydach
10.2 km =6.3 mi, 109°
• Burry Port
14.7 km =9.1 mi, 256°
• Brynamman
15.2 km =9.4 mi, 51°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016