The Crescent Nebula is an emission nebula in the constellation Cygnus, located about 6,700 light-years away, and reaches its annual culmination at astronomical midnight and is best observed late July.
The Crescent Nebula is an emission nebula in the constellation Cygnus, located about 6,700 light-years away, and reaches its annual culmination at astronomical midnight and is best observed late July.
One of three objects in a thoroughly successful week: the Crescent Nebula, NGC 6888.