Night Light of North Rocks (New South Wales) from space (Australia) Src. Average luminocity for 10x10km area is 83.3993% and for 50x50km: 54.027%.
Square area 10x10 km:
 16.48%
 21.98%
 14.65%
 31.14%
 15.75%
 0%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 12.93%
 14.22%
 7.17%
 8.81%
 9.24%
 4.61%
 3.42%
 4.96%
 6.34%
 7.36%
 20.93%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 11' 8.8" South, 150° 18' 50.6" East
33° 46' 20" South, 151° 1' 1.8" East
34° 21' 17" South, 151° 43' 13.1" East
Some cities around North Rocks sort by population:
• Baulkham Hills
		2.7 km =1.7 mi, 
303°
• Carlingford
		3.2 km =2 mi, 
111°
• Westmead
		4.4 km =2.7 mi, 
217°
• West Pennant Hills
		4.1 km =2.5 mi, 
43°
• Winston Hills
		3.4 km =2.1 mi, 
262°
• Oatlands
		2.8 km =1.7 mi, 
160°
• Telopea
		3 km =1.9 mi, 
139°
• Dundas Valley
		3.7 km =2.3 mi, 
118°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016