Night Light of Briey (Grand Est) from space (France) Src. Average luminocity for 10x10km area is 21.6872% and for 50x50km: 20.1139%.
Square area 10x10 km:
 3.21%
 3.34%
 3.48%
 2.14%
 2.27%
 0.53%
 1.2%
 2.81%
 2.67%
 31.55%
 46.79%Square area 50x50 km:
 4.61%
 4.57%
 1.31%
 1.5%
 1.65%
 1.89%
 2.23%
 3.65%
 6.23%
 14.12%
 58.26%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 42' 21.8" North, 5° 14' 11.9" East
49° 14' 57.1" North, 5° 56' 23.1" East
48° 47' 17.1" North, 6° 38' 34.4" East
Some cities around Briey sort by population:
• Hayange
		12.6 km =7.8 mi, 
45°
• Rombas
		11.2 km =7 mi, 
89°
• Moyeuvre-Grande
		7.6 km =4.7 mi, 
86°
• Jarny
		11.1 km =6.9 mi, 
204°
• Jœuf
		5.9 km =3.7 mi, 
107°
• Homécourt
		5 km =3.1 mi, 
129°
• Marange-Silvange
		12.8 km =8 mi, 
110°
• Nilvange
		13.1 km =8.1 mi, 
37°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016