Night Light of Pugachev (Saratovskaya Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 13.899% and for 50x50km: 0.6025%.
Square area 10x10 km:
 2.15%
 2.15%
 0.76%
 2.02%
 3.16%
 2.02%
 0.88%
 0.25%
 1.52%
 7.32%
 77.78%Square area 50x50 km:
 0.09%
 0.09%
 0.03%
 0.08%
 0.13%
 0.08%
 0.04%
 0.01%
 0.06%
 0.31%
 99.07%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 26' 38.4" North, 48° 5' 57.8" East
52° 0' 48" North, 48° 48' 9" East
51° 34' 42.5" North, 49° 30' 20.3" East
Some cities around Pugachev sort by population:
• Balakovo
		68.6 km =42.6 mi, 
271°
• Yershov
		82.1 km =51 mi, 
206°
• Khvalynsk
		71.2 km =44.2 mi, 
318°
• Dergachi
		86.8 km =53.9 mi, 
181°
• Gornyy
		33.6 km =20.9 mi, 
212°
• Pestravka
		89.8 km =55.8 mi, 
61°
• Ivanteyevka
		34.9 km =21.7 mi, 
36°
• Dukhovnitskoye
		65.8 km =40.9 mi, 
322°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016