Night Light of Sainte-Marie (Quebec) from space (Canada) Src. Average luminocity for 10x10km area is 20.244% and for 50x50km: 3.174%.
Square area 10x10 km:
 3.57%
 5.95%
 1.19%
 0%
 3.72%
 2.08%
 1.04%
 1.49%
 1.93%
 20.68%
 58.33%Square area 50x50 km:
 0.27%
 0.56%
 0.33%
 0.25%
 0.5%
 0.48%
 0.42%
 0.39%
 0.46%
 1.67%
 94.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 54' 59.2" North, 71° 42' 53.3" West
46° 26' 2.4" North, 71° 0' 42" West
45° 56' 50.2" North, 70° 18' 30.8" West
Some cities around Sainte-Marie sort by population:
• Québec
		44.8 km =27.8 mi, 
339°
• Lévis
		43 km =26.7 mi, 
342°
• La Haute-Saint-Charles
		57.7 km =35.9 mi, 
331°
• Thetford-Mines
		44.1 km =27.4 mi, 
210°
• L'Ancienne-Lorette
		47.7 km =29.6 mi, 
327°
• Plessisville
		62.4 km =38.8 mi, 
247°
• Beauceville
		30 km =18.6 mi, 
143°
• Donnacona
		61 km =37.9 mi, 
296°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016