The Sea Serpent

Abbreviation: Hya
Genitive: Hydrae

The constellation of Hydra

Known as a serpent since Babylonian times, this is the largest constellation in terms of area. One Greek myth associates the water snake with a crow and a cup.

Notable Features

Designation Name Description
α Hya Alphard
M48 Although visible to the naked eye under perfect observing conditions, this open cluster is best viewed through binoculars.
M68 A telescope is necessary to spot this globular cluster.
M83 This is one of the closest and brightest barred spiral galaxies in the sky although it will required a large telescope to see any structure.
C59 Ghost of Jupiter A telescope will be needed to see this planetary nebula.
C66 William Herschel discovered this globular cluster, one of the oldest known in our galaxy, in 1784.