Night Light of Alta Sierra (California) from space (United States) Src. Average luminocity for 10x10km area is 1.9399% and for 50x50km: 2.4683%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 41' 5.2" North, 121° 45' 25.1" West
39° 8' 29.6" North, 121° 3' 13.8" West
38° 35' 38.8" North, 120° 21' 2.6" West
Some cities around Alta Sierra sort by population:
• Rocklin
42.1 km =26.2 mi, 201°
• Lincoln
34.6 km =21.5 mi, 216°
• Granite Bay
43.1 km =26.8 mi, 192°
• Linda
42.9 km =26.7 mi, 267°
• Auburn
27.3 km =17 mi, 184°
• North Auburn
23.5 km =14.6 mi, 185°
• Grass Valley
8.6 km =5.3 mi, 355°
• Loomis
37.6 km =23.4 mi, 198°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016