Night Light of Bergerac (Nouvelle-Aquitaine) from space (France) Src. Average luminocity for 10x10km area is 25.6492% and for 50x50km: 2.7787%.
Square area 10x10 km:
 2.06%
 2.86%
 3.02%
 4.29%
 7.3%
 3.81%
 3.02%
 1.59%
 0.63%
 29.21%
 42.22%Square area 50x50 km:
 0.11%
 0.19%
 0.28%
 0.41%
 0.57%
 0.56%
 0.66%
 0.47%
 0.6%
 1.41%
 94.74%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 20' 51" North, 0° 13' 16.1" West
44° 51' 4.2" North, 0° 28' 55.2" East
44° 21' 2" North, 1° 11' 6.5" East
Some cities around Bergerac sort by population:
• Périgueux
		41.3 km =25.7 mi, 
26°
• Villeneuve-sur-Lot
		52.3 km =32.5 mi, 
160°
• Marmande
		46.4 km =28.8 mi, 
212°
• Coulounieix-Chamiers
		37.3 km =23.2 mi, 
25°
• Trélissac
		45.3 km =28.1 mi, 
31°
• Boulazac
		36.3 km =22.6 mi, 
35°
• Sainte-Livrade-sur-Lot
		51 km =31.7 mi, 
170°
• Montpon-Ménestérol
		29.8 km =18.5 mi, 
303°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016