Night Light of Tiruvottiyūr (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 76.987% and for 50x50km: 43.6698%.
Square area 10x10 km:
 34.42%
 19.26%
 9.09%
 4.11%
 4.11%
 6.28%
 5.63%
 6.49%
 9.52%
 1.08%
 0%Square area 50x50 km:
 14.15%
 10.57%
 8.91%
 2.87%
 3.57%
 5.24%
 3.55%
 3.19%
 3.72%
 4.9%
 39.34%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
13° 50' 30.9" North, 79° 35' 55.3" East
13° 9' 29.6" North, 80° 18' 6.5" East
12° 28' 21.4" North, 81° 0' 17.8" East
Some cities around Tiruvottiyūr sort by population:
• Chennai
		8.2 km =5.1 mi, 
197°
• Ambattūr
		16.6 km =10.3 mi, 
246°
• Kattivākkam
		6.7 km =4.2 mi, 
13°
• Manali
		3.9 km =2.4 mi, 
283°
• Mīnjūr
		14.3 km =8.9 mi, 
340°
• Nāravārikuppam
		13.2 km =8.2 mi, 
286°
• Chetput
		11.8 km =7.3 mi, 
213°
• Chinnasekkadu
		4.8 km =3 mi, 
273°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016