Night Light of Nan from space (Thailand) Src. Average luminocity for 10x10km area is 43.4545% and for 50x50km: 3.7433%.
Square area 10x10 km:
 2.07%
 15.7%
 7.44%
 2.89%
 4.55%
 3.31%
 8.68%
 4.96%
 13.02%
 29.55%
 7.85%Square area 50x50 km:
 0.09%
 0.73%
 0.8%
 0.24%
 0.45%
 0.25%
 0.69%
 0.58%
 0.95%
 3.07%
 92.15%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 26' 53.3" North, 100° 4' 33.1" East
18° 47' 1.6" North, 100° 46' 44.4" East
18° 7' 0.5" North, 101° 28' 55.6" East
Some cities around Nan sort by population:
• Phrae
		97.8 km =60.8 mi, 
223°
• Dok Kham Tai
		92.7 km =57.6 mi, 
297°
• Phayao
		105 km =65.2 mi, 
295°
• Pong
		66.8 km =41.5 mi, 
307°
• Chiang Kham
		96.4 km =59.9 mi, 
328°
• Sainyabuli, LA
		111.2 km =69.1 mi, 
61°
• Chiang Klang
		57.4 km =35.7 mi, 
8°
• Rong Kwang
		69.4 km =43.1 mi, 
224°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016