Night Light of Neath (Wales) from space (United Kingdom) Src. Average luminocity for 10x10km area is 27.9468% and for 50x50km: 9.6982%.
Square area 10x10 km:
 2.66%
 4.2%
 1.82%
 5.6%
 2.1%
 4.34%
 3.22%
 5.04%
 15.83%
 26.19%
 28.99%Square area 50x50 km:
 1.14%
 1.46%
 0.82%
 1.24%
 1.41%
 1.06%
 1.3%
 1.38%
 3.13%
 8.91%
 78.15%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 5' 50" North, 4° 30' 27.2" West
51° 39' 47.4" North, 3° 48' 15.9" West
51° 13' 29.7" North, 3° 6' 4.7" West
Some cities around Neath sort by population:
• Swansea
		10.7 km =6.6 mi, 
243°
• Briton Ferry
		3.7 km =2.3 mi, 
195°
• Maesteg
		11.7 km =7.3 mi, 
120°
• Clydach
		7 km =4.3 mi, 
288°
• Ystalyfera
		11.7 km =7.3 mi, 
8°
• Brynamman
		15.8 km =9.8 mi, 
344°
• Glyn-neath
		15.9 km =9.9 mi, 
53°
• Cwmafan
		5.9 km =3.7 mi, 
150°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016