Celestial Atlas: Constellations
Horologium ←Hydra: The Hydra→ Hydrus

(possessive form Hydrae, abbreviation Hya) Link for sharing this page on Facebook
Hydra is one of the 48 ancient constellations recorded by Ptolemy.

Historical Map of Hydra
(to be added in the next iteration of this page)

Modern Map of Hydra
Modified version of Wikimedia Commons map by Torsten Bronger
Wikimedia Commons map of Hydra

Constellations Bordering Hydra
(to be added in the next iteration of this page)

Stars in Hydra
 Stars that have common names often have multiple names, so the common names shown (if any) cannot be considered authoritative. Right ascension and declination are given in 2000.0 coordinates.

α Hya

β Hya

γ Hya

δ Hya
Celestial Atlas: Constellations
Horologium ←Hydra: The Hydra→ Hydrus