Night Light of Nāravārikuppam (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 79.4329% and for 50x50km: 53.3807%.
Square area 10x10 km:
 6.71%
 15.37%
 36.15%
 19.91%
 12.55%
 8.66%
 0.65%
 0%
 0%
 0%
 0%Square area 50x50 km:
 13.14%
 11.17%
 12.55%
 4.82%
 5.77%
 8.16%
 5.37%
 4.84%
 5.96%
 8.85%
 19.37%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
13° 52' 29.7" North, 79° 28' 53.8" East
13° 11' 28.8" North, 80° 11' 5" East
12° 30' 20.9" North, 80° 53' 16.3" East
Some cities around Nāravārikuppam sort by population:
• Ambattūr
		10.7 km =6.6 mi, 
193°
• Āvadi
		11.8 km =7.3 mi, 
223°
• Tiruvottiyūr
		13.2 km =8.2 mi, 
106°
• Kattivākkam
		14.6 km =9.1 mi, 
78°
• Manali
		9.3 km =5.8 mi, 
107°
• Mīnjūr
		12.6 km =7.8 mi, 
39°
• Chinnasekkadu
		8.6 km =5.3 mi, 
113°
• Vellānūr
		9.3 km =5.8 mi, 
246°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016