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The next stop on the SkyTour will be only for those either near or south of the equator. Hydrus is a constellation almost at the Southern Celestial Pole which is supposed to be a "male water snake". Now almost any group of four stars or more can be considered a snake so we’re not talking about a very interesting shape here.
What is interesting about Hyrdrus is that it is located almost exactly between the Large and Small Magellanic Clouds. The Magellanic Clouds are nearby galaxies. Although they are considerably smaller than the neighboring Andromeda Galaxy (M31) they are both relatively close by (only about 150,000 light years away) so are relatively large. Neither of the Magellanic Clouds have a Messier number because neither of them was ever seen by Messier who lived well north of the equator.
There is no Greek mythology about Hydrus because the Greeks never saw it. Hyrdrus and its neighbors were given names by the early 17th century astronomer Johann Bayer.
Aurora