Night Light of Chelmsford (Massachusetts) from space (United States) Src. Average luminocity for 10x10km area is 59.2803% and for 50x50km: 42.0897%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 6' 54.8" North, 72° 4' 13.5" West
42° 35' 59.3" North, 71° 22' 2.2" West
42° 4' 48.3" North, 70° 39' 51" West
Some cities around Chelmsford sort by population:
• Lowell
5.6 km =3.5 mi, 48°
• Billerica
9.3 km =5.8 mi, 119°
• Tewksbury
11 km =6.8 mi, 83°
• Dracut
9.5 km =5.9 mi, 34°
• Westford
6.2 km =3.9 mi, 248°
• Acton
13.8 km =8.6 mi, 202°
• Tyngsboro
9.8 km =6.1 mi, 331°
• Pinehurst
13.8 km =8.6 mi, 124°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016