Night Light of Bakhtiyārpur (Bihar) from space (India) Src. Average luminocity for 10x10km area is 32.8948% and for 50x50km: 43.5937%.
Square area 10x10 km:
 2.98%
 2.98% 4.17%
 4.17% 2.58%
 2.58% 3.37%
 3.37% 3.77%
 3.77% 4.76%
 4.76% 1.79%
 1.79% 9.92%
 9.92% 32.14%
 32.14% 26.39%
 26.39% 8.13%
 8.13%Square area 50x50 km:
 4.74%
 4.74% 6.59%
 6.59% 4.64%
 4.64% 5.67%
 5.67% 6.61%
 6.61% 9.64%
 9.64% 10.96%
 10.96% 9.97%
 9.97% 16.35%
 16.35% 14%
 14% 10.83%
 10.83%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
26° 5' 41.8" North, 84° 49' 43.2" East
25° 27' 42.4" North, 85° 31' 54.4" East
24° 49' 31" North, 86° 14' 5.7" East
Some cities around Bakhtiyārpur sort by population:
• Bihār Sharīf
		29 km =18 mi,  181°
181°
• Bārh
		18 km =11.2 mi,  82°
82°
• Bar Bigha
		33.8 km =21 mi,  143°
143°
• Fatwa
		23.4 km =14.5 mi,  283°
283°
• Hilsa
		29.8 km =18.5 mi,  237°
237°
• Dalsingh Sarai
		38.2 km =23.7 mi,  53°
53°
• Mohiuddinnagar
		18.6 km =11.6 mi,  47°
47°
• Khusropur
		14.9 km =9.3 mi,  278°
278°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016