Night Light of Sidney (Ohio) from space (United States) Src. Average luminocity for 10x10km area is 36.0153% and for 50x50km: 7.3013%.
Square area 10x10 km:
 6.8%
 8.16%
 3.91%
 1.7%
 4.42%
 6.29%
 4.25%
 3.23%
 7.48%
 30.95%
 22.79%Square area 50x50 km:
 0.76%
 1.27%
 0.64%
 0.89%
 0.85%
 0.74%
 0.78%
 1.2%
 2.17%
 5.77%
 84.92%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 49' 6.5" North, 84° 51' 31.1" West
40° 17' 3.2" North, 84° 9' 19.8" West
39° 44' 44.6" North, 83° 27' 8.6" West
Some cities around Sidney sort by population:
• Troy
		27.5 km =17.1 mi, 
188°
• Piqua
		17.2 km =10.7 mi, 
205°
• Bellefontaine
		34.6 km =21.5 mi, 
75°
• Urbana
		39.4 km =24.5 mi, 
119°
• Tipp City
		36.3 km =22.6 mi, 
182°
• Wapakoneta
		31.7 km =19.7 mi, 
354°
• Saint Marys
		34.9 km =21.7 mi, 
325°
• New Carlisle
		40.2 km =25 mi, 
164°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016