Night Light of Grande-Synthe (Hauts-de-France) from space (France) Src. Average luminocity for 10x10km area is 70.234% and for 50x50km: 10.3735%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 27' 20.3" North, 1° 35' 47.8" East
51° 0' 55.4" North, 2° 17' 59.1" East
50° 34' 15.4" North, 3° 0' 10.3" East
Some cities around Grande-Synthe sort by population:
• Dunkerque
5.7 km =3.5 mi, 70°
• Coudekerque-Branche
6.6 km =4.1 mi, 82°
• Saint-Pol-sur-Mer
3.3 km =2.1 mi, 57°
• Cappelle-la-Grande
4.5 km =2.8 mi, 112°
• Téteghem
10.1 km =6.3 mi, 87°
• Bourbourg
10.5 km =6.5 mi, 224°
• Loon-Plage
6.1 km =3.8 mi, 249°
• Leffrinckoucke
11.7 km =7.3 mi, 79°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016