7000, commonly known as the North America Nebula, was discovered
by William Herschel in 1786. It is a very large emission nebula,
covering approximately two degrees (4X larger than the full moon).
It lies 1600-1800 light years away in the constellation of Cygnus.
7000 is actually part of a much larger H II gas cloud that includes
the Pelican Nebula (IC 5070). They are separated by a large dust