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The Greek constellation of Hydra is an adaptation of a Babylonian constellation: the MUL.APIN includes a "serpent" constellation (MUL.DINGIR.MUŠ) that loosely corresponds to Hydra. It is one of two Babylonian "serpent" constellations (the other being the origin of the Greek Serpens), a mythological hybrid of serpent, lion and bird. [2]
Messier 48 or M48, also known as NGC 2548, is an open cluster of stars in the equatorial constellation of Hydra. It sits near Hydra's westernmost limit with Monoceros , [ 7 ] about 18° 34′ to the east and slightly south of Hydra's brightest star, Alphard . [ 8 ]
NGC 3311 is a super-giant [2] elliptical galaxy [3] (a type-cD galaxy) [4] [3] located about 190 million light-years away [5] in the constellation Hydra. [6] The galaxy was discovered by astronomer John Herschel on March 30, 1835.
Pages in category "Hydra (constellation)" The following 200 pages are in this category, out of approximately 203 total. ... Hydra in Chinese astronomy; I. IC 535 ...
This is the list of notable stars in the constellation Hydra, sorted by decreasing brightness. Name B F G. Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes
Constellation names are indicated in uppercase text. Selected star of magnitude 1.5 and brighter. Labeled with common name, star number, and Greek letter to indicate Bayer designation. Selected star of magnitude 1.6 and fainter. Labeled with common name, star number, and Greek letter to indicate Bayer designation.
NGC 2617 is a Seyfert galaxy in the equatorial constellation of Hydra. It was discovered on February 12, 1885, by French astronomer Édouard Stephan. [7] [8] In 1888, Danish astronomer J. L. E. Dreyer described it as "extremely faint, very small, 2 very faint stars involved". [9] It is located at an estimated distance of 202 million light years ...
The Hydra Cluster (or Abell 1060) is a galaxy cluster that contains 157 bright galaxies, appearing in the constellation Hydra. [4] The cluster spans about ten million light-years and has an unusually high proportion of dark matter. [5] The cluster is part of the Hydra–Centaurus Supercluster located 158 million light-years from Earth.