Night Light of Zacatlán (Puebla) from space (Mexico) Src. Average luminocity for 10x10km area is 31.0216% and for 50x50km: 7.2623%.
Square area 10x10 km:
 0.87%
 1.3%
 6.93%
 6.71%
 5.19%
 3.68%
 9.09%
 3.9%
 4.98%
 37.01%
 20.35%Square area 50x50 km:
 0.05%
 0.16%
 0.92%
 0.84%
 0.97%
 0.96%
 2.39%
 2.18%
 2.14%
 6.19%
 83.2%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
20° 35' 42.4" North, 98° 39' 51.8" West
19° 56' 7.8" North, 97° 57' 40.5" West
19° 16' 23.3" North, 97° 15' 29.3" West
Some cities around Zacatlán sort by population:
• Huauchinango
		28.2 km =17.5 mi, 
339°
• Xicotepec de Juárez
		37.9 km =23.5 mi, 
0°
• Chignahuapan
		13 km =8.1 mi, 
214°
• Cuautepec de Hinojosa
		38.1 km =23.7 mi, 
286°
• Tlaxco
		39.4 km =24.5 mi, 
204°
• Necaxa
		31.3 km =19.4 mi, 
350°
• Nuevo Necaxa
		30.9 km =19.2 mi, 
351°
• Tenango de las Flores
		30.2 km =18.8 mi, 
354°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016