Night Light of Bettembourg (Esch-sur-Alzette) from space (Luxembourg) Src. Average luminocity for 10x10km area is 39.958% and for 50x50km: 24.3835%.
Square area 10x10 km:
 6.3%
 6.02%
 3.08%
 3.92%
 3.78%
 3.08%
 6.02%
 11.48%
 36.69%
 15.69%
 3.92%Square area 50x50 km:
 4.67%
 4.71%
 2.35%
 2.03%
 2.05%
 2.69%
 2.79%
 4.05%
 10.09%
 17.51%
 47.06%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 58' 22.6" North, 5° 23' 58.8" East
49° 31' 7" North, 6° 6' 10" East
49° 3' 36" North, 6° 48' 21.3" East
Some cities around Bettembourg sort by population:
• Luxembourg
		10.5 km =6.5 mi, 
10°
• Esch-sur-Alzette
		9.2 km =5.7 mi, 
253°
• Dudelange
		4.4 km =2.7 mi, 
194°
• Schifflange
		6.6 km =4.1 mi, 
258°
• Strassen
		11.5 km =7.1 mi, 
349°
• Audun-le-Tiche, FR
		11.8 km =7.3 mi, 
244°
• Bertrange
		11 km =6.8 mi, 
339°
• Belvaux
		12.9 km =8 mi, 
265°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016