Night Light of Chinnasekkadu (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 96.3853% and for 50x50km: 49.1317%.
Square area 10x10 km:
 49.78%
 32.47%
 17.75%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 14.06%
 11.31%
 11.19%
 4.04%
 4.76%
 6.01%
 4.05%
 3.81%
 4.64%
 6.41%
 29.71%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
13° 50' 40.5" North, 79° 33' 14.9" East
13° 9' 39.2" North, 80° 15' 26.2" East
12° 28' 31" North, 80° 57' 37.4" East
Some cities around Chinnasekkadu sort by population:
• Chennai
		8.4 km =5.2 mi, 
164°
• Ambattūr
		12.5 km =7.8 mi, 
236°
• Tiruvottiyūr
		4.8 km =3 mi, 
93°
• Kattivākkam
		8.9 km =5.5 mi, 
46°
• Manali
		1.2 km =0.7 mi, 
57°
• Mīnjūr
		13.2 km =8.2 mi, 
0°
• Nāravārikuppam
		8.6 km =5.3 mi, 
293°
• Chetput
		10.3 km =6.4 mi, 
189°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016