Night Light of Bāli Chak (West Bengal) from space (India) Src. Average luminocity for 10x10km area is 24.4811% and for 50x50km: 19.6359%.
Square area 10x10 km:
 0.38%
 2.08%
 2.08%
 2.84%
 3.22%
 6.06%
 6.25%
 7.01%
 7.2%
 31.63%
 31.25%Square area 50x50 km:
 1.05%
 2.61%
 1.31%
 1.67%
 2.32%
 4.3%
 5.33%
 6.9%
 8.34%
 14.34%
 51.82%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
23° 0' 48.7" North, 86° 50' 59.7" East
22° 21' 53.4" North, 87° 33' 10.9" East
21° 42' 47.1" North, 88° 15' 22.2" East
Some cities around Bāli Chak sort by population:
• Kharagpur
		23.6 km =14.7 mi, 
263°
• Medinīpur
		24.5 km =15.2 mi, 
284°
• Ghātāl
		38 km =23.6 mi, 
29°
• Tamlūk
		39 km =24.2 mi, 
100°
• Chandrakona
		41.1 km =25.5 mi, 
354°
• Rāmjībanpur
		51.8 km =32.2 mi, 
6°
• Mahīshādal
		48.3 km =30 mi, 
114°
• Kharar
		41.8 km =26 mi, 
17°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016