Night Light of Sheffield (Alabama) from space (United States) Src. Average luminocity for 10x10km area is 68.8168% and for 50x50km: 12.7802%.
Square area 10x10 km:
 19.96%
 18.13%
 12.45%
 8.42%
 9.16%
 2.75%
 2.38%
 5.31%
 10.62%
 10.81%
 0%Square area 50x50 km:
 1.47%
 1.64%
 2.34%
 1.57%
 1.85%
 1.67%
 1.76%
 2.34%
 3.73%
 6.83%
 74.81%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
35° 20' 26.4" North, 88° 24' 6.4" West
34° 45' 54.3" North, 87° 41' 55.1" West
34° 11' 7.7" North, 86° 59' 43.9" West
Some cities around Sheffield sort by population:
• Decatur
		67.8 km =42.1 mi, 
105°
• Florence
		4.3 km =2.7 mi, 
26°
• East Florence
		6.7 km =4.2 mi, 
42°
• Athens
		66.5 km =41.3 mi, 
86°
• Muscle Shoals
		3.6 km =2.2 mi, 
128°
• Lawrenceburg
		62.6 km =38.9 mi, 
31°
• Russellville
		28.7 km =17.8 mi, 
185°
• Tuscumbia
		3.8 km =2.4 mi, 
185°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016