Deep-Sky Object
Horsehead Nebula
A dark silhouette in Orion.
A dark nebula whose dust cloud forms an unmistakable horse-head profile against the glowing IC 434 emission nebula.
See also
Andromeda Galaxy (M31)
The farthest thing you can see with the naked eye.
Orion Nebula (M42)
A stellar nursery glowing in Orion's sword.
Pleiades (M45)
The Seven Sisters — a young blue cluster.
The Milky Way
Our home galaxy, seen edge-on.
Crab Nebula (M1)
The expanding remnant of a 1054 AD supernova.
Ring Nebula (M57)
A perfect smoke ring in Lyra.