Night Light of Tena (Napo) from space (Ecuador) Src. Average luminocity for 10x10km area is 32.8939% and for 50x50km: 2.67%.
Square area 10x10 km:
 3.03%
 6.06%
 4.76%
 3.46%
 3.46%
 3.03%
 7.14%
 7.14%
 3.9%
 39.61%
 18.4%Square area 50x50 km:
 0.16%
 0.3%
 0.38%
 0.28%
 0.29%
 0.41%
 0.52%
 0.52%
 0.47%
 2.64%
 94.05%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
0° 17' 26.6" South, 78° 30' 57.6" West
0° 59' 37.7" South, 77° 48' 46.3" West
1° 41' 48.2" South, 77° 6' 35.1" West
Some cities around Tena sort by population:
• Puyo
		58.4 km =36.3 mi, 
201°
• Boca Suno
		81.6 km =50.7 mi, 
66°
• Pelileo
		89.4 km =55.6 mi, 
245°
• San Miguel de Salcedo
		86.7 km =53.9 mi, 
266°
• Baños
		81.3 km =50.5 mi, 
236°
• Píllaro
		84 km =52.2 mi, 
256°
• Archidona
		9.4 km =5.8 mi, 
3°
• Palora
		80.5 km =50 mi, 
192°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016