Night Light of Arrah (Bihar) from space (India) Src. Average luminocity for 10x10km area is 70.0758% and for 50x50km: 32.8063%.
Square area 10x10 km:
 13.45%
 13.45% 22.54%
 22.54% 6.82%
 6.82% 7.77%
 7.77% 8.14%
 8.14% 11.55%
 11.55% 18.56%
 18.56% 8.9%
 8.9% 2.27%
 2.27% 0%
 0% 0%
 0%Square area 50x50 km:
 2.75%
 2.75% 4.35%
 4.35% 2.75%
 2.75% 3.74%
 3.74% 4.65%
 4.65% 6.57%
 6.57% 8.03%
 8.03% 9.11%
 9.11% 12.21%
 12.21% 26.13%
 26.13% 19.68%
 19.68%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
26° 11' 20.1" North, 83° 57' 36.8" East
25° 33' 22.6" North, 84° 39' 48.1" East
24° 55' 13" North, 85° 21' 59.3" East
Some cities around Arrah sort by population:
• Chāpra
		26.3 km =16.3 mi,  18°
18°
• Khagaul
		38.4 km =23.9 mi,  86°
86°
• Revelganj
		26.1 km =16.2 mi,  353°
353°
• Jagdīspur
		26.4 km =16.4 mi,  248°
248°
• Piro
		36 km =22.4 mi,  226°
226°
• Maner
		23.3 km =14.5 mi,  64°
64°
• Koelwār
		13.7 km =8.5 mi,  78°
78°
• Shāhpur
		26.5 km =16.5 mi,  281°
281°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016