Night Light of Quartz Hill (California) from space (United States) Src. Average luminocity for 10x10km area is 62.4773% and for 50x50km: 16.3071%.
Square area 10x10 km:
 10.84%
 13.64%
 9.44%
 8.39%
 20.45%
 7.69%
 4.72%
 1.57%
 8.22%
 13.11%
 1.92%Square area 50x50 km:
 2.76%
 2.95%
 1.39%
 1.68%
 3.44%
 2.35%
 2.41%
 2.32%
 4.05%
 7.89%
 68.75%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
35° 13' 18.1" North, 118° 55' 16.5" West
34° 38' 42.9" North, 118° 13' 5.3" West
34° 3' 53.3" North, 117° 30' 54" West
Some cities around Quartz Hill sort by population:
• Santa Clarita
		41 km =25.5 mi, 
226°
• Lancaster
		9.5 km =5.9 mi, 
51°
• Palmdale
		11.8 km =7.3 mi, 
128°
• Castaic
		40.9 km =25.4 mi, 
244°
• Rosamond
		24.8 km =15.4 mi, 
11°
• Lake Los Angeles
		35.9 km =22.3 mi, 
95°
• Sun Village
		25.8 km =16 mi, 
111°
• Acton
		19.6 km =12.2 mi, 
174°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016