Hydrus

Transit Date of principal star:
21 October

Hydrus, "The Lesser Snake", was one of Johann Bayer's constellations, found first in his 1603 publication Uranometria. It was meant to be the southern hemisphere's answer to Hydra, but it has far fewer objects of interest. Hydrus is a rather stiff snake, perhaps mostly resembling a cobra, with its head erect and body curled. As with most of these obscure constellations, its Bayer stars are far from complete, and fairly faint. Binary stars: h3475 is a fine binary about one and a half degrees just north (and slightly west) of alpha Hydri. A printed version of this web site ["The Constellations Pocket Guide"] is available, covering all 88 constellations and their graphics.

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