Night Light of Puttaparthi (Andhra Pradesh) from space (India) Src. Average luminocity for 10x10km area is 14.0606% and for 50x50km: 1.74%.
Square area 10x10 km:
 0.65%
 1.73%
 3.25%
 0.65%
 3.68%
 2.38%
 2.81%
 0.87%
 0.65%
 2.16%
 81.17%Square area 50x50 km:
 0.03%
 0.18%
 0.18%
 0.14%
 0.33%
 0.49%
 0.5%
 0.25%
 0.47%
 0.35%
 97.08%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
14° 50' 45.3" North, 77° 6' 30.9" East
14° 9' 54.7" North, 77° 48' 42.1" East
13° 28' 56.8" North, 78° 30' 53.4" East
Some cities around Puttaparthi sort by population:
• Hindupur
		51 km =31.7 mi, 
222°
• Dharmavaram
		29.4 km =18.3 mi, 
340°
• Kadiri
		38 km =23.6 mi, 
99°
• Pulivendla
		52.9 km =32.9 mi, 
57°
• Gorantla
		20.6 km =12.8 mi, 
191°
• Bāgepalli
		42.5 km =26.4 mi, 
182°
• Penukonda
		25.1 km =15.6 mi, 
248°
• Gudibanda
		56.2 km =34.9 mi, 
191°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016