Night Light of Balgowlah (New South Wales) from space (Australia) Src. Average luminocity for 10x10km area is 62.6521% and for 50x50km: 33.6061%.
Square area 10x10 km:
 10.14%
 11.36%
 5.24%
 6.82%
 27.27%
 9.44%
 8.39%
 7.34%
 9.79%
 4.2%
 0%Square area 50x50 km:
 8.01%
 8.44%
 4.07%
 5.26%
 6.82%
 3.05%
 1.87%
 2.86%
 3.68%
 5.95%
 49.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 12' 31.1" South, 150° 33' 14.7" East
33° 47' 41.8" South, 151° 15' 25.9" East
34° 22' 38.1" South, 151° 57' 37.2" East
Some cities around Balgowlah sort by population:
• Manly
		2.9 km =1.8 mi, 
96°
• Cremorne
		4.5 km =2.8 mi, 
218°
• Freshwater
		3.2 km =2 mi, 
55°
• Seaforth
		1.8 km =1.1 mi, 
245°
• Allambie Heights
		3.2 km =2 mi, 
347°
• Northbridge
		4.2 km =2.6 mi, 
241°
• Manly Vale
		1.2 km =0.7 mi, 
21°
• Fairlight
		1.5 km =0.9 mi, 
93°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016