Night Light of Sainte-Catherine (Quebec) from space (Canada) Src. Average luminocity for 10x10km area is 53.1071% and for 50x50km: 8.3886%.
Square area 10x10 km:
 15.03%
 16.37%
 2.38%
 5.21%
 2.98%
 2.08%
 5.06%
 9.08%
 20.98%
 20.83%
 0%Square area 50x50 km:
 1.17%
 1.57%
 0.48%
 0.95%
 1.02%
 0.86%
 1.28%
 1.56%
 2.46%
 5.9%
 82.74%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 48' 6.6" North, 73° 16' 10" West
46° 19' 6.1" North, 72° 33' 58.8" West
45° 49' 50.1" North, 71° 51' 47.5" West
Some cities around Sainte-Catherine sort by population:
• Trois-Rivières
		3.3 km =2.1 mi, 
25°
• Drummondville
		48.8 km =30.3 mi, 
172°
• Sorel-Tracy
		52.2 km =32.4 mi, 
233°
• Shawinigan
		31 km =19.3 mi, 
333°
• Victoriaville
		55 km =34.2 mi, 
122°
• Bécancour
		10.6 km =6.6 mi, 
76°
• Louiseville
		29.6 km =18.4 mi, 
256°
• Nicolet
		11.9 km =7.4 mi, 
198°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016