Night Light of Guidel-Plage (Brittany) from space (France) Src. Average luminocity for 10x10km area is 7.0253% and for 50x50km: 5.079%.
Square area 10x10 km:
 0.3%
 0%
 0.6%
 1.49%
 0.89%
 1.93%
 0.74%
 1.79%
 1.49%
 4.91%
 85.86%Square area 50x50 km:
 0.79%
 0.91%
 0.42%
 0.32%
 0.55%
 0.75%
 0.78%
 0.8%
 1.72%
 3.49%
 89.46%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 14' 17.3" North, 4° 13' 29.7" West
47° 46' 3.6" North, 3° 31' 18.5" West
47° 17' 34.5" North, 2° 49' 7.2" West
Some cities around Guidel-Plage sort by population:
• Lorient
		11.9 km =7.4 mi, 
101°
• Lanester
		13.6 km =8.5 mi, 
92°
• Ploemeur
		7.6 km =4.7 mi, 
120°
• Quimperlé
		11.2 km =7 mi, 
349°
• Quéven
		8 km =5 mi, 
77°
• Larmor-Plage
		12.4 km =7.7 mi, 
123°
• Caudan
		14.2 km =8.8 mi, 
71°
• Moëlan-sur-Mer
		9.5 km =5.9 mi, 
302°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016