Night Light of Welkom (Orange Free State) from space (South Africa) Src. Average luminocity for 10x10km area is 56.5739% and for 50x50km: 9.502%.
Square area 10x10 km:
4.17%
5.87%
5.87%
24.81%
13.83%
4.55%
7.58%
10.23%
15.15%
7.58%
0.38%Square area 50x50 km:
0.6%
0.79%
0.75%
2.88%
1.73%
0.87%
1.56%
1.48%
2.4%
8.6%
78.35%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
27° 21' 16.9" South, 26° 1' 55" East
27° 58' 38.7" South, 26° 44' 6.2" East
28° 35' 47.7" South, 27° 26' 17.5" East
Some cities around Welkom sort by population:
• Virginia
19 km =11.8 mi,
137°
• Kroonstad
61.1 km =38 mi,
53°
• Kutloanong
16.1 km =10 mi,
5°
• Wesselsbron
38.8 km =24.1 mi,
290°
• Theunissen
48.3 km =30 mi,
183°
• Allanridge
26.4 km =16.4 mi,
340°
• Hennenman
28.4 km =17.6 mi,
89°
• Ventersburg
41.3 km =25.7 mi,
106°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016