Night Light of Tarnos (Nouvelle-Aquitaine) from space (France) Src. Average luminocity for 10x10km area is 42.5429% and for 50x50km: 8.5073%.
Square area 10x10 km:
 4.6%
 7.14%
 3.33%
 8.41%
 12.06%
 5.87%
 5.24%
 3.17%
 13.65%
 27.94%
 8.57%Square area 50x50 km:
 0.95%
 1.27%
 0.65%
 0.93%
 1.43%
 1.6%
 1.21%
 1.08%
 2.42%
 6.56%
 81.91%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
44° 2' 57.2" North, 2° 9' 57.3" West
43° 32' 30.1" North, 1° 27' 46.1" West
43° 1' 47.5" North, 0° 45' 34.8" West
Some cities around Tarnos sort by population:
• Bayonne
		5.6 km =3.5 mi, 
191°
• Anglet
		8.3 km =5.2 mi, 
209°
• Biarritz
		10.1 km =6.3 mi, 
227°
• Boucau
		1.6 km =1 mi, 
188°
• Capbreton
		11.5 km =7.1 mi, 
14°
• Saint-Vincent-de-Tyrosse
		18.1 km =11.2 mi, 
43°
• Ustaritz
		16.2 km =10.1 mi, 
178°
• Bidart
		15.5 km =9.6 mi, 
221°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016