Night Light of Ngawi (West Java) from space (Indonesia) Src. Average luminocity for 10x10km area is 29.158% and for 50x50km: 8.8098%.
Square area 10x10 km:
 1.08%
 5.19%
 5.19%
 3.9%
 3.25%
 4.98%
 3.9%
 7.14%
 6.28%
 29%
 30.09%Square area 50x50 km:
 0.2%
 1.04%
 0.89%
 1.1%
 1.1%
 1.49%
 1.97%
 2.5%
 2.76%
 7.1%
 79.86%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
6° 42' 21.6" South, 110° 44' 34.7" East
7° 24' 13.7" South, 111° 26' 46" East
8° 6' 1.8" South, 112° 8' 57.2" East
Some cities around Ngawi sort by population:
• Madiun
		26.6 km =16.5 mi, 
161°
• Bojonegoro
		55.7 km =34.6 mi, 
59°
• Ponorogo
		51.7 km =32.1 mi, 
178°
• Sragen
		46.8 km =29.1 mi, 
266°
• Nganjuk
		55.2 km =34.3 mi, 
113°
• Cepu
		32.7 km =20.3 mi, 
29°
• Blora
		48.4 km =30.1 mi, 
356°
• Jaten
		63.5 km =39.5 mi, 
252°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016