Night Light of Port Saint John’s (Eastern Cape) from space (South Africa) Src. Average luminocity for 10x10km area is 0.7308% and for 50x50km: 0.0587%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0.55%
 0.18%
 0%
 0.73%
 0%
 0%
 98.53%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0.02%
 0.01%
 0%
 0.07%
 0.02%
 0%
 99.88%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 1' 20.2" South, 28° 50' 29.9" East
31° 37' 22.5" South, 29° 32' 41.2" East
32° 13' 10.9" South, 30° 14' 52.4" East
Some cities around Port Saint John’s sort by population:
• Mthatha
		72.1 km =44.8 mi, 
273°
• Margate
		115.3 km =71.6 mi, 
42°
• Butterworth
		153.3 km =95.3 mi, 
239°
• Qacha’s Nek, LS
		186.4 km =115.8 mi, 
334°
• Kokstad
		120.2 km =74.7 mi, 
354°
• Scottburgh
		188 km =116.8 mi, 
37°
• eMkhomazi
		197.7 km =122.8 mi, 
37°
• Elliot
		163.9 km =101.8 mi, 
281°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016