Night Light of Kathu (Northern Cape) from space (South Africa) Src. Average luminocity for 10x10km area is 37.9087% and for 50x50km: 4.3955%.
Square area 10x10 km:
 3.57%
 8.53%
 10.91%
 1.59%
 2.78%
 3.57%
 6.94%
 4.37%
 8.73%
 26.19%
 22.82%Square area 50x50 km:
 0.38%
 0.63%
 0.83%
 0.31%
 0.43%
 0.41%
 1%
 0.64%
 1.16%
 4.12%
 90.09%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
27° 4' 16.9" South, 22° 20' 46.2" East
27° 41' 44.5" South, 23° 2' 57.4" East
28° 18' 59.3" South, 23° 45' 8.7" East
Some cities around Kathu sort by population:
• Vryburg
		185.1 km =115 mi, 
63°
• Postmasburg
		71 km =44.1 mi, 
178°
• Pampierstad
		161.5 km =100.4 mi, 
93°
• Warrenton
		182.7 km =113.5 mi, 
104°
• Jan Kempdorp
		177 km =110 mi, 
98°
• Barkly West
		171.9 km =106.8 mi, 
122°
• DaniĆ«lskuil
		73 km =45.4 mi, 
138°
• Kuruman
		46.5 km =28.9 mi, 
54°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016