(well-known constellation in the northern hemisphere)
Orion is a well-known constellation in the northern hemisphere
with heavily-studied stars and features, named after
the hunter from Greek mythology, Orion.
Some prominent stars:
Among the other "stars" is the Orion Nebula,
the middle of three stars descending from the
belt, seen as Orion's sword.
Herschel Orion Protostar Survey (HOPS)
HII Region (HII)
Orion Nebula Cluster (ONC)
Orion Molecular Cloud Complex
Orion Nebula (M42)