Night Light of Sachse (Texas) from space (United States) Src. Average luminocity for 10x10km area is 84.3919% and for 50x50km: 68.7583%.
Square area 10x10 km:
 16.67%
 16.67% 24.36%
 24.36% 18.86%
 18.86% 25.64%
 25.64% 12.82%
 12.82% 1.65%
 1.65% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 25.5%
 25.5% 19.23%
 19.23% 7.96%
 7.96% 6.69%
 6.69% 6.46%
 6.46% 5.09%
 5.09% 3.88%
 3.88% 5.57%
 5.57% 4.04%
 4.04% 6.91%
 6.91% 8.67%
 8.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 33' 50.8" North, 97° 17' 54.2" West
32° 58' 34.4" North, 96° 35' 43" West
32° 23' 3.9" North, 95° 53' 31.7" West
Some cities around Sachse sort by population:
• Plano
		10.8 km =6.7 mi,  296°
296°
• Garland
		8.2 km =5.1 mi,  209°
209°
• Richardson
		12.9 km =8 mi,  256°
256°
• Rowlett
		8.7 km =5.4 mi,  160°
160°
• Wylie
		6.8 km =4.2 mi,  50°
50°
• Rockwall
		13.6 km =8.5 mi,  111°
111°
• Murphy
		4.6 km =2.9 mi,  339°
339°
• Lucas
		12.1 km =7.5 mi,  8°
8°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016