Night Light of Sainte-Marthe-sur-le-Lac (Quebec) from space (Canada) Src. Average luminocity for 10x10km area is 60.4636% and for 50x50km: 43.4566%.
Square area 10x10 km:
 11.06%
 13.94%
 6.06%
 10.45%
 7.73%
 10.91%
 8.64%
 11.36%
 15%
 4.85%
 0%Square area 50x50 km:
 13.99%
 9.15%
 3.94%
 4.58%
 4.29%
 3.96%
 4.48%
 5.91%
 10.32%
 13.14%
 26.24%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 1' 25.5" North, 74° 38' 8.3" West
45° 32' 0.2" North, 73° 55' 57" West
45° 2' 19.3" North, 73° 13' 45.8" West
Some cities around Sainte-Marthe-sur-le-Lac sort by population:
• Dollard-Des Ormeaux
		9.5 km =5.9 mi, 
117°
• Pointe-Claire
		13 km =8.1 mi, 
136°
• Boisbriand
		12.1 km =7.5 mi, 
40°
• Kirkland
		10.6 km =6.6 mi, 
150°
• Beaconsfield
		12.3 km =7.6 mi, 
154°
• Deux-Montagnes
		2.4 km =1.5 mi, 
86°
• Rosemère
		15.2 km =9.4 mi, 
43°
• Pointe-Calumet
		4.5 km =2.8 mi, 
215°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016