Night Light of Den Helder (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 19.414% and for 50x50km: 2.5016%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 22' 52.9" North, 4° 3' 22.4" East
52° 57' 35.6" North, 4° 45' 33.6" East
52° 32' 3.3" North, 5° 27' 44.9" East
Some cities around Den Helder sort by population:
• Medemblik
31.3 km =19.4 mi, 132°
• Harenkarspel
25.1 km =15.6 mi, 177°
• Opmeer
30.8 km =19.1 mi, 156°
• Den Burg
10.8 km =6.7 mi, 13°
• Zuid-Scharwoude
30.6 km =19 mi, 173°
• Schagen
19.3 km =12 mi, 172°
• Broek op Langedijk
31.9 km =19.8 mi, 174°
• Noord-Scharwoude
29.3 km =18.2 mi, 173°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016