Night Light of Ammāpettai (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 16.4153% and for 50x50km: 11.8235%.
Square area 10x10 km:
 0%
 0% 2.48%
 2.48% 0.83%
 0.83% 2.48%
 2.48% 1.86%
 1.86% 2.07%
 2.07% 6.4%
 6.4% 3.51%
 3.51% 8.26%
 8.26% 6.82%
 6.82% 65.29%
 65.29%Square area 50x50 km:
 0.35%
 0.35% 1.29%
 1.29% 1.43%
 1.43% 1.77%
 1.77% 1.2%
 1.2% 1.59%
 1.59% 3.01%
 3.01% 3.89%
 3.89% 4.34%
 4.34% 6.89%
 6.89% 74.25%
 74.25%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
11° 29' 4.7" North, 78° 37' 0.3" East
10° 47' 41.1" North, 79° 19' 11.5" East
10° 6' 11.9" North, 80° 1' 22.8" East
Some cities around Ammāpettai sort by population:
• Tanjore
		19.8 km =12.3 mi,  266°
266°
• Kumbakonam
		20.2 km =12.6 mi,  22°
22°
• Papanasam
		15.6 km =9.7 mi,  339°
339°
• Ayyampettāi
		19.3 km =12 mi,  307°
307°
• Valangaiman
		13.3 km =8.3 mi,  37°
37°
• Needamangalam
		11.1 km =6.9 mi,  102°
102°
• Swāmimalai
		18.1 km =11.2 mi,  3°
3°
• Koradāchcheri
		19 km =11.8 mi,  98°
98°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016