Night Light of Marakkanam (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 5.9959% and for 50x50km: 5.4237%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 2.27%
 1.86%
 4.55%
 2.69%
 4.96%
 83.68%Square area 50x50 km:
 0.07%
 0.27%
 0.54%
 0.5%
 0.72%
 1.36%
 1.75%
 1.89%
 2.14%
 3.32%
 87.46%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
12° 52' 42.6" North, 79° 14' 19.7" East
12° 11' 31.7" North, 79° 56' 30.9" East
11° 30' 14.4" North, 80° 38' 42.2" East
Some cities around Marakkanam sort by population:
• Puducherry
		31.2 km =19.4 mi, 
203°
• Tindivanam
		31.5 km =19.6 mi, 
278°
• Vandavāsi
		50.4 km =31.3 mi, 
313°
• Madurāntakam
		36.1 km =22.4 mi, 
350°
• Uttiramerūr
		51 km =31.7 mi, 
336°
• Valavanur
		49.4 km =30.7 mi, 
232°
• Cheyyur
		18.7 km =11.6 mi, 
20°
• Vikravāndi
		46.4 km =28.8 mi, 
248°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016