Night Light of Heath (Texas) from space (United States) Src. Average luminocity for 10x10km area is 50.1818% and for 50x50km: 52.9373%.
Square area 10x10 km:
 0.35%
 0.35% 0.87%
 0.87% 10.31%
 10.31% 6.12%
 6.12% 11.01%
 11.01% 16.26%
 16.26% 19.41%
 19.41% 30.77%
 30.77% 4.9%
 4.9% 0%
 0% 0%
 0%Square area 50x50 km:
 10.93%
 10.93% 11.18%
 11.18% 8.7%
 8.7% 7.56%
 7.56% 8.46%
 8.46% 6.51%
 6.51% 5.16%
 5.16% 8.15%
 8.15% 7.07%
 7.07% 12.96%
 12.96% 13.3%
 13.3%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 25' 31.2" North, 97° 10' 41.2" West
32° 50' 11.4" North, 96° 28' 30" West
32° 14' 37.6" North, 95° 46' 18.7" West
Some cities around Heath sort by population:
• Garland
		17.5 km =10.9 mi,  298°
298°
• Mesquite
		14 km =8.7 mi,  236°
236°
• Rowlett
		11.1 km =6.9 mi,  311°
311°
• Rockwall
		10.6 km =6.6 mi,  7°
7°
• Balch Springs
		18.3 km =11.4 mi,  229°
229°
• Forney
		9.8 km =6.1 mi,  178°
178°
• Fate
		14.6 km =9.1 mi,  36°
36°
• Sunnyvale
		9.2 km =5.7 mi,  240°
240°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016