Night Light of Barrhead (Scotland) from space (United Kingdom) Src. Average luminocity for 10x10km area is 54.7153% and for 50x50km: 27.8344%.
Square area 10x10 km:
 12.44%
 16.39%
 6.46%
 7.66%
 6.46%
 3.59%
 3.83%
 4.9%
 15.07%
 12.8%
 10.41%Square area 50x50 km:
 7.57%
 6.86%
 2.22%
 2.78%
 2.82%
 2.59%
 2.74%
 3.11%
 4.96%
 13.63%
 50.72%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
56° 11' 32.6" North, 5° 5' 45.5" West
55° 47' 57" North, 4° 23' 34.3" West
55° 24' 6.9" North, 3° 41' 23" West
Some cities around Barrhead sort by population:
• Paisley
		4.4 km =2.7 mi, 
325°
• Newton Mearns
		4.7 km =2.9 mi, 
127°
• Renfrew
		8.1 km =5 mi, 
0°
• Giffnock
		6.1 km =3.8 mi, 
85°
• Clarkston
		7.4 km =4.6 mi, 
101°
• Linwood
		8.3 km =5.2 mi, 
311°
• Elderslie
		6.9 km =4.3 mi, 
303°
• Neilston
		2.6 km =1.6 mi, 
234°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016