From the group of six stars that form the Sea Monster's head, the long sinuous shape of Hydra extends eastward for nearly seven hours of right ascension across the celestial sphere, making it the larges of all eighty-eight constellations by area.
The giant constellationHydra occupies a significant portion of the sky, lying to the north of the Galactic plane.
A gigantic constellation, the largest in the sky, covering more than 1,300 square degrees.
Despite its huge size, however, it contains little in the way of bright stars or other objects
of interest. The main exception to this are the planetary nebula known as the
Ghost of Jupiter and M83, known as the Southern Pinwheel Galaxy.
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