Night Light of Helensburgh (New South Wales) from space (Australia) Src. Average luminocity for 10x10km area is 3.8938% and for 50x50km: 16.426%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 35' 40.8" South, 150° 17' 31.6" East
34° 10' 42.1" South, 150° 59' 42.8" East
34° 45' 28.9" South, 151° 41' 54.1" East
Some cities around Helensburgh sort by population:
• Engadine
12.6 km =7.8 mi, 7°
• Caringbah South
17.8 km =11.1 mi, 40°
• Sutherland
17.3 km =10.7 mi, 18°
• Kirrawee
17 km =10.6 mi, 23°
• Gymea
17.8 km =11.1 mi, 27°
• Gymea Bay
16.4 km =10.2 mi, 31°
• Heathcote
10.6 km =6.6 mi, 8°
• Thirroul
16.7 km =10.4 mi, 203°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016