Night Light of Purwokerto (Central Java) from space (Indonesia) Src. Average luminocity for 10x10km area is 57.8766% and for 50x50km: 8.2926%.
Square area 10x10 km:
 4.76%
 6.93%
 11.26%
 12.12%
 13.64%
 16.02%
 9.96%
 4.98%
 8.87%
 11.04%
 0.43%Square area 50x50 km:
 0.21%
 0.42%
 1.2%
 0.89%
 1.05%
 2.05%
 2.01%
 1.63%
 2.78%
 5.94%
 81.81%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
6° 43' 25" South, 108° 31' 52.8" East
7° 25' 17" South, 109° 14' 4" East
8° 7' 5" South, 109° 56' 15.3" East
Some cities around Purwokerto sort by population:
• Sokaraja
		7.2 km =4.5 mi, 
124°
• Purbalingga
		14.7 km =9.1 mi, 
75°
• Banyumas
		12.2 km =7.6 mi, 
147°
• Baturaden
		13.6 km =8.5 mi, 
351°
• Wangon
		22.5 km =14 mi, 
242°
• Gombong
		37.1 km =23.1 mi, 
123°
• Randudongkal
		37.3 km =23.2 mi, 
15°
• Kroya
		23.6 km =14.7 mi, 
176°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016