Night Light of Helensburgh (Scotland) from space (United Kingdom) Src. Average luminocity for 10x10km area is 12.0414% and for 50x50km: 10.1285%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
56° 23' 50.1" North, 5° 25' 46.6" West
56° 0' 22.1" North, 4° 43' 35.3" West
55° 36' 39.7" North, 4° 1' 24.1" West
Some cities around Helensburgh sort by population:
• Greenock
6.8 km =4.2 mi, 198°
• Vale of Leven
9.9 km =6.2 mi, 112°
• Dumbarton
11.9 km =7.4 mi, 125°
• Port Glasgow
8.3 km =5.2 mi, 163°
• Gourock
7.5 km =4.7 mi, 228°
• Bonhill
10.5 km =6.5 mi, 106°
• Dunoon
14 km =8.7 mi, 243°
• Alexandria
8.8 km =5.5 mi, 98°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016