Night Light of Granby (Quebec) from space (Canada) Src. Average luminocity for 10x10km area is 49.7651% and for 50x50km: 7.5789%.
Square area 10x10 km:
 12.86%
 11.27%
 3.65%
 3.17%
 4.76%
 6.51%
 7.78%
 7.78%
 19.37%
 22.22%
 0.63%Square area 50x50 km:
 0.84%
 1.11%
 0.65%
 0.66%
 0.97%
 1.05%
 1.26%
 1.32%
 2.09%
 5.39%
 84.65%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 53' 29.8" North, 73° 26' 8" West
45° 24' 0.3" North, 72° 43' 56.7" West
44° 54' 15.2" North, 72° 1' 45.5" West
Some cities around Granby sort by population:
• Saint-Hyacinthe
		31 km =19.3 mi, 
325°
• Mont-Saint-Hilaire
		39.9 km =24.8 mi, 
297°
• Cowansville
		22.3 km =13.9 mi, 
183°
• Farnham
		23.5 km =14.6 mi, 
236°
• Lac-Brome
		26.5 km =16.5 mi, 
140°
• Marieville
		34 km =21.1 mi, 
276°
• Saint-Pie
		17.9 km =11.1 mi, 
309°
• Acton Vale
		30.7 km =19.1 mi, 
25°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016