Night Light of Hennebont (Brittany) from space (France) Src. Average luminocity for 10x10km area is 23.4583% and for 50x50km: 5.9227%.
Square area 10x10 km:
 2.08%
 4.76%
 1.93%
 2.08%
 4.17%
 3.13%
 2.98%
 1.93%
 6.4%
 26.34%
 44.2%Square area 50x50 km:
 0.83%
 1.07%
 0.49%
 0.4%
 0.66%
 0.87%
 0.99%
 1.01%
 1.75%
 3.65%
 88.3%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 16' 30.8" North, 3° 58' 35.4" West
47° 48' 18.4" North, 3° 16' 24.1" West
47° 19' 50.6" North, 2° 34' 12.9" West
Some cities around Hennebont sort by population:
• Lorient
		9.6 km =6 mi, 
226°
• Lanester
		6.9 km =4.3 mi, 
225°
• Ploemeur
		14.4 km =8.9 mi, 
236°
• QuĂ©ven
		11 km =6.8 mi, 
257°
• Larmor-Plage
		13.7 km =8.5 mi, 
216°
• Caudan
		5.2 km =3.2 mi, 
274°
• Languidic
		9.1 km =5.7 mi, 
70°
• Plouay
		13 km =8.1 mi, 
339°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016