Night Light of Casa de Oro-Mount Helix (California) from space (United States) Src. Average luminocity for 10x10km area is 72.4948% and for 50x50km: 41.0559%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 21' 11.7" North, 117° 40' 18.8" West
32° 45' 50.3" North, 116° 58' 7.6" West
32° 10' 14.7" North, 116° 15' 56.3" West
Some cities around Casa de Oro-Mount Helix sort by population:
• El Cajon
3.5 km =2.2 mi, 9°
• La Mesa
5.1 km =3.2 mi, 274°
• La Presa
6.8 km =4.2 mi, 203°
• Spring Valley
3.5 km =2.2 mi, 232°
• Lemon Grove
6.3 km =3.9 mi, 247°
• Rancho San Diego
3.6 km =2.2 mi, 120°
• Winter Gardens
8.2 km =5.1 mi, 23°
• Bostonia
5.7 km =3.5 mi, 31°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016