Night Light of Nam Som (Udon Thani) from space (Thailand) Src. Average luminocity for 10x10km area is 6.8636% and for 50x50km: 0.8332%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
18° 26' 19.2" North, 101° 29' 10.9" East
17° 46' 13.3" North, 102° 11' 22.1" East
17° 5' 58.3" North, 102° 53' 33.4" East
Some cities around Nam Som sort by population:
• Vientiane, LA
48.6 km =30.2 mi, 63°
• Nong Khai
59.7 km =37.1 mi, 78°
• Tha Bo
42.4 km =26.3 mi, 77°
• Loei
58 km =36 mi, 237°
• Nong Bua Lamphu
68.4 km =42.5 mi, 157°
• Na Klang
51.5 km =32 mi, 180°
• Kut Chap
55.4 km =34.4 mi, 133°
• Si Chiang Mai
46.8 km =29.1 mi, 63°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016