Night Light of Châlons-en-Champagne (Grand Est) from space (France) Src. Average luminocity for 10x10km area is 41.456% and for 50x50km: 4.6376%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 24' 48.6" North, 3° 39' 50.8" East
48° 57' 14.1" North, 4° 22' 2.1" East
48° 29' 24.3" North, 5° 4' 13.3" East
Some cities around Châlons-en-Champagne sort by population:
• Reims
42.5 km =26.4 mi, 324°
• Épernay
31.3 km =19.4 mi, 287°
• Vitry-le-François
30 km =18.6 mi, 148°
• Tinqueux
43.2 km =26.8 mi, 319°
• Cormontreuil
37.2 km =23.1 mi, 321°
• Saint-Memmie
1.2 km =0.7 mi, 97°
• Mourmelon-le-Grand
19.9 km =12.4 mi, 359°
• Sainte-Menehould
41.5 km =25.8 mi, 68°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016