Night Light of Boyolangu (East Java) from space (Indonesia) Src. Average luminocity for 10x10km area is 26.6798% and for 50x50km: 7.7117%.
Square area 10x10 km:
 1.24%
 1.24%
 1.45%
 3.1%
 8.88%
 3.31%
 4.75%
 9.09%
 17.56%
 18.8%
 30.58%Square area 50x50 km:
 0.15%
 0.31%
 0.37%
 0.79%
 1.21%
 1.44%
 2.58%
 3.05%
 3.49%
 7.19%
 79.42%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
7° 25' 17.1" South, 111° 11' 25.4" East
8° 7' 5.2" South, 111° 53' 36.6" East
8° 48' 48.8" South, 112° 35' 47.9" East
Some cities around Boyolangu sort by population:
• Kediri
		36.2 km =22.5 mi, 
22°
• Blitar
		30.3 km =18.8 mi, 
85°
• Kedungwaru
		6.3 km =3.9 mi, 
24°
• Tulungagung
		5.9 km =3.7 mi, 
9°
• Pare
		51.4 km =31.9 mi, 
40°
• Gampengrejo
		41.4 km =25.7 mi, 
19°
• Trenggalek
		21.1 km =13.1 mi, 
282°
• Ngunut
		13.5 km =8.4 mi, 
84°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016