|Visible in Latitudes:||5° thru -90°|
|Best Seen In:||All year (circumpolar)|
|Transit Date:||October 21|
|Right Ascension:||2.46 hours|
|Area:||243.035 sq. degrees|
Hydrus was named by Johann Bayer in 1603. It was intended to be a the southern hemisphere's answer to Hydra, a large constellation further north.
|Head of Hydrus||Alpha Hyi|