Night Light of Roubaix (Hauts-de-France) from space (France) Src. Average luminocity for 10x10km area is 96.6484% and for 50x50km: 46.2259%.
Square area 10x10 km:
 69.79%
 18.85%
 4.55%
 4.01%
 1.6%
 0.27%
 0.8%
 0.13%
 0%
 0%
 0%Square area 50x50 km:
 10.83%
 8.59%
 4.17%
 5.48%
 6.45%
 7.02%
 6.9%
 7.75%
 11.72%
 16.1%
 14.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 8' 15" North, 2° 28' 17.2" East
50° 41' 39.2" North, 3° 10' 28.4" East
50° 14' 48.1" North, 3° 52' 39.7" East
Some cities around Roubaix sort by population:
• Tourcoing
		3.4 km =2.1 mi, 
344°
• Wattrelos
		3.2 km =2 mi, 
75°
• Croix
		2.5 km =1.6 mi, 
225°
• Hem
		4.7 km =2.9 mi, 
169°
• Wasquehal
		3.9 km =2.4 mi, 
227°
• Lys-lez-Lannoy
		4.3 km =2.7 mi, 
135°
• Mouvaux
		2.9 km =1.8 mi, 
281°
• Leers
		5.1 km =3.2 mi, 
105°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016