Night Light of Turramurra (New South Wales) from space (Australia) Src. Average luminocity for 10x10km area is 65.7436% and for 50x50km: 43.1277%.
Square area 10x10 km:
 7.14%
 10.81%
 4.4%
 12.64%
 35.53%
 13.37%
 3.66%
 3.85%
 6.96%
 1.65%
 0%Square area 50x50 km:
 10.8%
 11.77%
 6.46%
 7.3%
 7.1%
 2.79%
 1.74%
 2.31%
 3.49%
 6.55%
 39.68%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 8' 48.1" South, 150° 25' 31.3" East
33° 44' 0.3" South, 151° 7' 42.6" East
34° 18' 58.2" South, 151° 49' 53.8" East
Some cities around Turramurra sort by population:
• Hornsby
		4.4 km =2.7 mi, 
321°
• Wahroonga
		2.1 km =1.3 mi, 
324°
• Saint Ives
		2.9 km =1.8 mi, 
81°
• Pymble
		1.7 km =1.1 mi, 
133°
• Gordon
		3.2 km =2 mi, 
139°
• Waitara
		3.4 km =2.1 mi, 
317°
• West Pymble
		3.7 km =2.3 mi, 
173°
• Normanhurst
		3.2 km =2 mi, 
289°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016