Night Light of Sydenham (Victoria) from space (Australia) Src. Average luminocity for 10x10km area is 56.8997% and for 50x50km: 38.2222%.
Square area 10x10 km:
 7.99%
 12.24%
 8.84%
 11.9%
 9.86%
 6.63%
 4.93%
 7.99%
 16.67%
 12.41%
 0.51%Square area 50x50 km:
 11.81%
 9.35%
 4.58%
 5.05%
 4.16%
 3.03%
 2.53%
 3%
 4.65%
 8.64%
 43.19%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 8' 29.7" South, 144° 3' 48.8" East
37° 42' 0" South, 144° 46' 0" East
38° 15' 15.3" South, 145° 28' 11.3" East
Some cities around Sydenham sort by population:
• Saint Albans
		4.7 km =2.9 mi, 
141°
• Hillside
		2.4 km =1.5 mi, 
295°
• Taylors Lakes
		1.7 km =1.1 mi, 
84°
• Taylors Hill
		1.5 km =0.9 mi, 
223°
• Keilor Downs
		4.5 km =2.8 mi, 
125°
• Delahey
		2.4 km =1.5 mi, 
156°
• Kings Park
		3.9 km =2.4 mi, 
165°
• Burnside Heights
		3.2 km =2 mi, 
202°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016