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Hydra (constellation)}} is a {}-based template to be used at the bottom of articles about astronomical objects beyond the Solar System, located in the constellation of Hydra. The template is divided into categories of stars , star clusters , nebulae , exoplanets , galaxies , galaxy clusters , and a miscellaneous "other" category.
Zeta Hydrae (ζ Hya, ζ Hydrae) is a solitary star in the equatorial constellation of Hydra. This is a generally faint constellation, so, at an apparent visual magnitude of +3.10, [ 2 ] this is the third-brightest member after Alphard and Gamma Hydrae .
NGC 5078 is a spiral galaxy in the Hydra constellation, approximately 94 million light-years away from Earth. [2] It has a diameter of 127,000 light-years and is probably a member of the NGC 5061 group. [3]
Theta Hydrae, Latinized from θ Hydrae, is a binary star [8] system in the constellation Hydra.It is visible to the naked eye with an apparent visual magnitude of 3.9. [2] The star system has a high proper motion [8] with an annual parallax shift of 28.4 mas, [1] indicating a distance of about 115 light years.
NGC 5135 is a barred spiral galaxy located in the constellation Hydra. It is located at a distance of about 200 million light years from Earth. It was discovered by John Herschel on May 8, 1834. [ 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 ]
Delta Hydrae, Latinized from δ Hydrae, is a double star in the equatorial constellation of Hydra. It is visible to the naked eye with an apparent visual magnitude of 4.146. [ 2 ] Based upon an annual parallax shift of 20.34 mas , it is located about 160 light years from the Sun .
Beta Hydrae, Latinized from β Hydrae, is a double star in the equatorial constellation of Hydra. [14] Historically, Beta Hydrae was designated 28 Crateris, but the latter fell out of use when the IAU defined the permanent constellation boundaries in 1930. [15]