Night Light of Narrabeen (New South Wales) from space (Australia) Src. Average luminocity for 10x10km area is 36.0952% and for 50x50km: 24.0006%.
Square area 10x10 km:
 1.47%
 5.31%
 2.75%
 4.76%
 13.19%
 6.04%
 2.38%
 8.24%
 12.27%
 28.94%
 14.65%Square area 50x50 km:
 5.56%
 5.6%
 2.82%
 3.92%
 5.05%
 2.03%
 1.35%
 2.14%
 2.84%
 5.55%
 63.15%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 7' 33.2" South, 150° 35' 39.3" East
33° 42' 46" South, 151° 17' 50.5" East
34° 17' 44.3" South, 152° 0' 1.8" East
Some cities around Narrabeen sort by population:
• Dee Why
		4.3 km =2.7 mi, 
190°
• Mona Vale
		3.9 km =2.4 mi, 
7°
• Newport
		6.5 km =4 mi, 
13°
• Collaroy
		2.2 km =1.4 mi, 
170°
• Cromer
		3.4 km =2.1 mi, 
233°
• Beacon Hill
		5.7 km =3.5 mi, 
218°
• Warriewood
		2.7 km =1.7 mi, 
356°
• North Narrabeen
		0.4 km =0.2 mi, 
342°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016