A Pelican in the Swan

"Cygnus, the Swan" takes you to a site with information about Cygnus.
"North America Nebula" takes you to an APOD entitled "The North America and Pelican Nebulas."
"emission nebula in" takes you to an APOD entitled "Cygnus Nebulosities."
"Pelican and North America" takes you to a site with information about the nebula.
"large and comples" takes you to a site about abstract Astrophysics.
"bright front" takes you to an APOD entitled "Pelican Nebula Ionization Front."
"Samuel Oschin" takes you to a biography about him.
"this striking synthesized" takes you to a site with lots of pictures of nebulaes.