Night Light of Islāmpur (Bihar) from space (India) Src. Average luminocity for 10x10km area is 59.4773% and for 50x50km: 53.3754%.
Square area 10x10 km:
 5.87%
 5.87% 5.49%
 5.49% 8.9%
 8.9% 9.47%
 9.47% 8.14%
 8.14% 25.95%
 25.95% 24.62%
 24.62% 7.58%
 7.58% 3.98%
 3.98% 0%
 0% 0%
 0%Square area 50x50 km:
 3.47%
 3.47% 6.01%
 6.01% 7.15%
 7.15% 8.87%
 8.87% 10.99%
 10.99% 18.61%
 18.61% 17.62%
 17.62% 9.52%
 9.52% 9.31%
 9.31% 6.03%
 6.03% 2.42%
 2.42%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
25° 46' 32.2" North, 84° 30' 9.9" East
25° 8' 26.7" North, 85° 12' 21.1" East
24° 30' 9.3" North, 85° 54' 32.4" East
Some cities around Islāmpur sort by population:
• Bihār Sharīf
		32.7 km =20.3 mi,  78°
78°
• Jahānābād
		23.5 km =14.6 mi,  290°
290°
• Masaurhi Buzurg
		29.5 km =18.3 mi,  323°
323°
• Hilsa
		21 km =13 mi,  21°
21°
• Rājgīr
		25 km =15.5 mi,  120°
120°
• Hisuā
		40.3 km =25 mi,  148°
148°
• Silao
		23.3 km =14.5 mi,  105°
105°
• Khusropur
		42 km =26.1 mi,  25°
25°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016