Night Light of Altbach (Baden-Württemberg) from space (Germany) Src. Average luminocity for 10x10km area is 34.5238% and for 50x50km: 25.9607%.
Square area 10x10 km:
 5.06%
 5.95%
 1.64%
 6.1%
 4.17%
 1.04%
 5.21%
 4.17%
 24.11%
 27.83%
 14.73%Square area 50x50 km:
 4.2%
 4.86%
 2.15%
 2.87%
 3.82%
 3.4%
 3.89%
 4.19%
 7.59%
 16.83%
 46.2%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 11' 3.8" North, 8° 40' 39.5" East
48° 43' 21.6" North, 9° 22' 50.8" East
48° 15' 24.1" North, 10° 5' 2.1" East
Some cities around Altbach sort by population:
• Esslingen
		5.9 km =3.7 mi, 
288°
• Wendlingen am Neckar
		5.7 km =3.5 mi, 
183°
• Plochingen
		3.1 km =1.9 mi, 
115°
• Wernau
		4.2 km =2.6 mi, 
142°
• Denkendorf
		5.6 km =3.5 mi, 
237°
• Köngen
		4.5 km =2.8 mi, 
193°
• Deizisau
		1.2 km =0.7 mi, 
161°
• Baltmannsweiler
		5.5 km =3.4 mi, 
66°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016