Night Light of Troyes (Grand Est) from space (France) Src. Average luminocity for 10x10km area is 65.5193% and for 50x50km: 4.408%.
Square area 10x10 km:
 22.17%
 23.66%
 5.36%
 6.99%
 1.34%
 2.98%
 2.68%
 4.32%
 12.5%
 14.73%
 3.27%Square area 50x50 km:
 0.98%
 1.02%
 0.35%
 0.51%
 0.27%
 0.31%
 0.4%
 0.31%
 1.54%
 2.78%
 91.54%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 45' 58.8" North, 3° 22' 55.6" East
48° 18' 2.6" North, 4° 5' 6.9" East
47° 49' 51.1" North, 4° 47' 18.1" East
Some cities around Troyes sort by population:
• La Chapelle-Saint-Luc
		3.8 km =2.4 mi, 
298°
• Romilly-sur-Seine
		35.3 km =21.9 mi, 
311°
• Saint-AndrĂ©-les-Vergers
		3 km =1.9 mi, 
234°
• Sainte-Savine
		2.9 km =1.8 mi, 
260°
• Saint-Julien-les-Villas
		3.4 km =2.1 mi, 
162°
• Saint-Florentin
		42.8 km =26.6 mi, 
218°
• Bar-sur-Aube
		46.6 km =29 mi, 
99°
• Pont-Sainte-Marie
		2.1 km =1.3 mi, 
19°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016