Legend for Map East Coast CT, DE, PA, VI
Not in the legend are the colors. The white is ~6th mag, the light blue is Z.L.M. of ~4 -5mag., and then it steps down by about one to the center of cities. There are no turely dark sites in this area, except out in the ocean.
For dark areas, see Fox Park, Wyoming August new moons!!!!
Pixels res is ~2.1 miles. TjT 12/20/2006