Night Light of Saint Helena (California) from space (United States) Src. Average luminocity for 10x10km area is 6.7305% and for 50x50km: 8.1879%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 3' 12" North, 123° 10' 24.2" West
38° 30' 18.7" North, 122° 28' 12.9" West
37° 57' 10.3" North, 121° 46' 1.7" West
Some cities around Saint Helena sort by population:
• Santa Rosa
22.4 km =13.9 mi, 251°
• Napa
28.2 km =17.5 mi, 145°
• Rohnert Park
27.3 km =17 mi, 227°
• Sonoma
23.7 km =14.7 mi, 177°
• Larkfield-Wikiup
24.4 km =15.2 mi, 272°
• Boyes Hot Springs
21.3 km =13.2 mi, 182°
• Roseland
24.3 km =15.1 mi, 247°
• Calistoga
12.6 km =7.8 mi, 310°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016