Night Light of Ilagan (Cagayan Valley) from space (Philippines) Src. Average luminocity for 10x10km area is 9.7045% and for 50x50km: 0.8376%.
Square area 10x10 km:
 0%
 0%
 1.86%
 3.93%
 0%
 3.72%
 1.24%
 1.65%
 0%
 2.48%
 85.12%Square area 50x50 km:
 0%
 0%
 0.19%
 0.2%
 0.13%
 0.21%
 0.17%
 0.14%
 0.11%
 0.25%
 98.6%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
17° 49' 9" North, 121° 11' 10" East
17° 8' 54.7" North, 121° 53' 21.3" East
16° 28' 31.7" North, 122° 35' 32.5" East
Some cities around Ilagan sort by population:
• Roxas
		28.8 km =17.9 mi, 
263°
• San Mariano
		22.7 km =14.1 mi, 
144°
• Naguilian
		15 km =9.3 mi, 
201°
• Burgos
		20.9 km =13 mi, 
251°
• Reina Mercedes
		19.3 km =12 mi, 
200°
• Upi
		9.4 km =5.8 mi, 
218°
• Gamu
		12.4 km =7.7 mi, 
207°
• Muñoz East
		29.3 km =18.2 mi, 
271°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016