The Pacman Nebula, otherwise known as NGC 281, is revealed not as a singular pool of light but as a larger structure of seemingly related knots and trails of dust. Pacman itself is the largest blue structure northeast of center. The two other noticeable structures do not have any special designations. Deep blue corresponds to the warm dust in the 22 micron channel. View additional information.
Seen in visible light (in a small windowed overlay from the Digitized Sky Survey), the Pleiades appear relatively isolated. To the infrared vision of WISE, they are enveloped within an expansive shroud of dust.