Night Light of Carhaix-Plouguer (Brittany) from space (France) Src. Average luminocity for 10x10km area is 6.9702% and for 50x50km: 0.505%.
Square area 10x10 km:
 1.04%
 1.19%
 0.15%
 2.83%
 0.74%
 0.45%
 0.3%
 0.45%
 0.6%
 0%
 92.26%Square area 50x50 km:
 0.05%
 0.08%
 0.01%
 0.15%
 0.1%
 0.04%
 0.06%
 0.08%
 0.16%
 0%
 99.28%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 44' 30.3" North, 4° 16' 35" West
48° 16' 33.4" North, 3° 34' 23.7" West
47° 48' 21" North, 2° 52' 12.5" West
Some cities around Carhaix-Plouguer sort by population:
• Morlaix
		38.4 km =23.9 mi, 
330°
• Rosporden
		39.4 km =24.5 mi, 
209°
• Scaër
		28.6 km =17.8 mi, 
199°
• Châteaulin
		39.3 km =24.4 mi, 
257°
• Plouay
		44 km =27.3 mi, 
156°
• Bannalec
		39.3 km =24.4 mi, 
193°
• Saint-Martin-des-Champs
		39.2 km =24.4 mi, 
330°
• Gourin
		15.5 km =9.6 mi, 
189°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016