Night Light of Chelsea (Massachusetts) from space (United States) Src. Average luminocity for 10x10km area is 91.881% and for 50x50km: 53.4585%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 54' 32.1" North, 71° 44' 9.5" West
42° 23' 30.3" North, 71° 1' 58.2" West
41° 52' 13.2" North, 70° 19' 47" West
Some cities around Chelsea sort by population:
• Boston
4.3 km =2.7 mi, 210°
• South Boston
6.6 km =4.1 mi, 191°
• Cambridge
6.3 km =3.9 mi, 252°
• Somerville
5.5 km =3.4 mi, 265°
• Malden
4.6 km =2.9 mi, 323°
• Revere
2.5 km =1.6 mi, 42°
• Everett
2.5 km =1.6 mi, 317°
• Winthrop
4.5 km =2.8 mi, 114°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016