Night Light of Pembroke (Wales) from space (United Kingdom) Src. Average luminocity for 10x10km area is 7.5112% and for 50x50km: 1.4115%.
Square area 10x10 km:
 0.28%
 0.84%
 0.7%
 0.98%
 1.4%
 1.82%
 0.42%
 1.4%
 0.84%
 3.64%
 87.68%Square area 50x50 km:
 0.15%
 0.19%
 0.19%
 0.19%
 0.16%
 0.18%
 0.1%
 0.22%
 0.24%
 0.7%
 97.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 6' 30.9" North, 5° 36' 57.6" West
51° 40' 28.7" North, 4° 54' 46.3" West
51° 14' 11.4" North, 4° 12' 35.1" West
Some cities around Pembroke sort by population:
• Llanelli
		51.8 km =32.2 mi, 
89°
• Gorseinon
		60.1 km =37.3 mi, 
90°
• Carmarthen
		46.4 km =28.8 mi, 
64°
• Haverfordwest
		14.6 km =9.1 mi, 
344°
• Milford Haven
		9.4 km =5.8 mi, 
296°
• Pontarddulais
		60.4 km =37.5 mi, 
85°
• Burry Port
		45.9 km =28.5 mi, 
88°
• Cardigan
		48.6 km =30.2 mi, 
20°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016