IC 434 Horsehead Nebula (above)........350 parsecs
Gum Nebula......................400 parsecs
Messier 42 Orion Nebula....................460 parsecs
NGC 6960 Cygnus Loop.....................500 parsecs
IC 5067 Pelican Nebula..................600 parsecs
NGC 7000 North American Nebula...........700 parsecs