Night Light of Northampton (Massachusetts) from space (United States) Src. Average luminocity for 10x10km area is 30.7894% and for 50x50km: 15.5332%.
Square area 10x10 km:
 1.36%
 4.09%
 5.45%
 3.64%
 3.64%
 4.85%
 5%
 4.09%
 5.61%
 55.45%
 6.82%Square area 50x50 km:
 2.63%
 2.77%
 1.96%
 2.18%
 2.28%
 2.02%
 2.05%
 2.47%
 3.08%
 7.95%
 70.62%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 50' 34" North, 73° 20' 39.6" West
42° 19' 30.3" North, 72° 38' 28.3" West
41° 48' 11.2" North, 71° 56' 17.1" West
Some cities around Northampton sort by population:
• Chicopee
		19.8 km =12.3 mi, 
172°
• Holyoke
		13.6 km =8.5 mi, 
171°
• Amherst
		11.1 km =6.9 mi, 
65°
• Ludlow
		22.8 km =14.2 mi, 
143°
• Amherst Center
		11.5 km =7.1 mi, 
60°
• South Hadley
		9.2 km =5.7 mi, 
143°
• Easthampton
		6.9 km =4.3 mi, 
199°
• Southampton
		12.9 km =8 mi, 
214°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016