Night Light of Glyn-neath (Wales) from space (United Kingdom) Src. Average luminocity for 10x10km area is 1.0518% and for 50x50km: 9.6878%.
Square area 10x10 km:
 0%
 0%
 0%
 0.56%
 0%
 0.28%
 0.42%
 0.42%
 0%
 0%
 98.32%Square area 50x50 km:
 0.99%
 1.37%
 0.71%
 1.33%
 1.23%
 1.2%
 1.29%
 1.57%
 3.28%
 10.22%
 76.8%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 10' 50.6" North, 4° 19' 17.2" West
51° 44' 51" North, 3° 37' 6" West
51° 18' 36.3" North, 2° 54' 54.7" West
Some cities around Glyn-neath sort by population:
• Rhondda
		15.3 km =9.5 mi, 
130°
• Aberdare
		12.2 km =7.6 mi, 
107°
• Maesteg
		15.6 km =9.7 mi, 
190°
• Ystalyfera
		11.4 km =7.1 mi, 
281°
• Treorchy
		12.5 km =7.8 mi, 
141°
• Ferndale
		15.2 km =9.4 mi, 
129°
• Hirwaun
		7.5 km =4.7 mi, 
97°
• Pentre
		13.6 km =8.5 mi, 
139°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016