Night Light of Grosse Ile (Michigan) from space (United States) Src. Average luminocity for 10x10km area is 51.153% and for 50x50km: 42.0183%.
Square area 10x10 km:
 5.3%
 5.3% 10.91%
 10.91% 5%
 5% 7.73%
 7.73% 7.88%
 7.88% 11.52%
 11.52% 9.7%
 9.7% 8.64%
 8.64% 20.3%
 20.3% 12.88%
 12.88% 0.15%
 0.15%Square area 50x50 km:
 13.85%
 13.85% 12.09%
 12.09% 4.2%
 4.2% 3.88%
 3.88% 3.51%
 3.51% 3.37%
 3.37% 3.22%
 3.22% 3.27%
 3.27% 6.24%
 6.24% 9.11%
 9.11% 37.25%
 37.25%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 38' 54.7" North, 83° 50' 51" West
42° 7' 45.2" North, 83° 8' 39.7" West
41° 36' 20.2" North, 82° 26' 28.5" West
Some cities around Grosse Ile sort by population:
• Southgate
		10.3 km =6.4 mi,  336°
336°
• Wyandotte
		9.5 km =5.9 mi,  357°
357°
• Trenton
		3 km =1.9 mi,  292°
292°
• Amherstburg, CA
		4.9 km =3 mi,  131°
131°
• Woodhaven
		8.1 km =5 mi,  277°
277°
• Riverview
		5.8 km =3.6 mi,  330°
330°
• Flat Rock
		12.7 km =7.9 mi,  253°
253°
• Ecorse
		12.8 km =8 mi,  359°
359°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016