Night Light of Summer Hill (New South Wales) from space (Australia) Src. Average luminocity for 10x10km area is 93.8619% and for 50x50km: 49.5346%.
Square area 10x10 km:
 43.18%
 29.37%
 18.18%
 8.92%
 0.35%
 0%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 11.95%
 12.98%
 6.77%
 7.91%
 8.75%
 4.32%
 2.76%
 3.57%
 5.35%
 8.46%
 27.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 18' 20.9" South, 150° 26' 6.5" East
33° 53' 29.3" South, 151° 8' 17.7" East
34° 28' 23.2" South, 151° 50' 29" East
Some cities around Summer Hill sort by population:
• Marrickville
		2.4 km =1.5 mi, 
138°
• Ashfield
		1.5 km =0.9 mi, 
283°
• Leichhardt
		1.9 km =1.2 mi, 
61°
• Dulwich Hill
		1.4 km =0.9 mi, 
175°
• Croydon
		2.2 km =1.4 mi, 
294°
• Petersham
		1.6 km =1 mi, 
102°
• Stanmore
		2.4 km =1.5 mi, 
96°
• Haberfield
		1.1 km =0.7 mi, 
28°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016