Night Light of Sint-Niklaas (Flanders) from space (Belgium) Src. Average luminocity for 10x10km area is 57.238% and for 50x50km: 49.8102%.
Square area 10x10 km:
 8.96%
 9.49%
 6.02%
 6.28%
 12.97%
 9.22%
 17.91%
 10.96%
 17.51%
 0.67%
 0%Square area 50x50 km:
 10.44%
 10.53%
 4.86%
 6.02%
 7.72%
 7.42%
 9.59%
 8.73%
 11.15%
 8.41%
 15.13%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 36' 14" North, 3° 26' 26.1" East
51° 9' 54.3" North, 4° 8' 37.3" East
50° 43' 19.5" North, 4° 50' 48.6" East
Some cities around Sint-Niklaas sort by population:
• Beveren
		9.4 km =5.8 mi, 
56°
• Lokeren
		12.5 km =7.8 mi, 
236°
• Temse
		6.4 km =4 mi, 
130°
• Hamme
		7.4 km =4.6 mi, 
183°
• Bornem
		10.3 km =6.4 mi, 
137°
• Stekene
		9 km =5.6 mi, 
303°
• Kruibeke
		11.9 km =7.4 mi, 
87°
• Waasmunster
		7.7 km =4.8 mi, 
211°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016