Night Light of Cognac (Nouvelle-Aquitaine) from space (France) Src. Average luminocity for 10x10km area is 29.8697% and for 50x50km: 3.4224%.
Square area 10x10 km:
 3.94%
 3.94%
 3.64%
 4.39%
 3.79%
 2.88%
 3.64%
 6.21%
 6.36%
 34.85%
 26.36%Square area 50x50 km:
 0.43%
 0.56%
 0.37%
 0.46%
 0.44%
 0.39%
 0.31%
 0.41%
 0.6%
 2.25%
 93.77%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 11' 5.2" North, 1° 1' 56.2" West
45° 41' 44.9" North, 0° 19' 43.2" West
45° 12' 9.2" North, 0° 22' 26.3" East
Some cities around Cognac sort by population:
• Angoulême
		37.8 km =23.5 mi, 
97°
• Saintes
		24.4 km =15.2 mi, 
283°
• Soyaux
		41.3 km =25.7 mi, 
98°
• La Couronne
		34.6 km =21.5 mi, 
105°
• Saint-Yrieix-sur-Charente
		35.5 km =22.1 mi, 
93°
• Gond-Pontouvre
		38.5 km =23.9 mi, 
92°
• Barbezieux-Saint-Hilaire
		28.4 km =17.6 mi, 
151°
• Pons
		21.4 km =13.3 mi, 
232°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016