Night Light of Porsgrunn (Telemark) from space (Norway) Src. Average luminocity for 10x10km area is 56.2971% and for 50x50km: 7.7628%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
59° 29' 57.5" North, 8° 57' 10.7" East
59° 8' 25.9" North, 9° 39' 22" East
58° 46' 40.7" North, 10° 21' 33.2" East
Some cities around Porsgrunn sort by population:
• Skien
8.1 km =5 mi, 340°
• Sandefjord
32 km =19.9 mi, 91°
• Tønsberg
45.1 km =28 mi, 71°
• Larvik
23.7 km =14.7 mi, 114°
• Notodden
51.7 km =32.1 mi, 334°
• Holmestrand
53.8 km =33.4 mi, 44°
• Stavern
26.6 km =16.5 mi, 125°
• Kragerø
33.2 km =20.6 mi, 204°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016