Night Light of Naugachhia (Bihar) from space (India) Src. Average luminocity for 10x10km area is 37.0456% and for 50x50km: 22.1888%.
Square area 10x10 km:
 4.76%
 4.76% 3.57%
 3.57% 1.59%
 1.59% 5.75%
 5.75% 5.16%
 5.16% 11.11%
 11.11% 5.75%
 5.75% 6.35%
 6.35% 13.29%
 13.29% 37.1%
 37.1% 5.56%
 5.56%Square area 50x50 km:
 2.91%
 2.91% 3.01%
 3.01% 1.46%
 1.46% 1.98%
 1.98% 2.48%
 2.48% 3.79%
 3.79% 4.32%
 4.32% 4.82%
 4.82% 8.46%
 8.46% 22.08%
 22.08% 44.68%
 44.68%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
26° 1' 17.8" North, 86° 23' 45.4" East
25° 23' 17.1" North, 87° 5' 56.6" East
24° 45' 4.3" North, 87° 48' 7.9" East
Some cities around Naugachhia sort by population:
• Bhāgalpur
		20.5 km =12.7 mi,  218°
218°
• Katihar
		50.2 km =31.2 mi,  70°
70°
• Bihārīganj
		40.1 km =24.9 mi,  343°
343°
• Colgong
		19.3 km =12 mi,  135°
135°
• Manihāri
		52.6 km =32.7 mi,  95°
95°
• Amarpur
		43.5 km =27 mi,  207°
207°
• Bariārpur
		53.7 km =33.4 mi,  258°
258°
• Asarganj
		49.2 km =30.6 mi,  237°
237°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016