Night Light of Tignieu (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 35.254% and for 50x50km: 25.699%.
Square area 10x10 km:
 4.92%
 4.13%
 3.97%
 4.92%
 6.67%
 4.29%
 3.97%
 3.97%
 13.81%
 42.06%
 7.3%Square area 50x50 km:
 5.16%
 5%
 2.01%
 2.48%
 2.74%
 3.15%
 3.31%
 4.76%
 7.87%
 15.55%
 47.96%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 14' 24.4" North, 4° 29' 9.6" East
45° 45' 5.9" North, 5° 11' 20.8" East
45° 15' 31.9" North, 5° 53' 32.1" East
Some cities around Tignieu sort by population:
• Meyzieu
		14.5 km =9 mi, 
276°
• Genas
		14.7 km =9.1 mi, 
261°
• L’Isle-d’Abeau
		14.9 km =9.3 mi, 
169°
• Charvieu-Chavagneux
		3 km =1.9 mi, 
266°
• Saint-Quentin-Fallavier
		13.4 km =8.3 mi, 
206°
• La Verpillière
		13.5 km =8.4 mi, 
194°
• Saint-Bonnet-de-Mure
		14.2 km =8.8 mi, 
241°
• Jonage
		12.1 km =7.5 mi, 
294°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016