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NGC 4993 (also catalogued as NGC 4994 in the New General Catalogue) is a lenticular galaxy [5] located about 140 million light-years away [2] in the constellation Hydra. [6] It was discovered on 26 March 1789 [ 7 ] by William Herschel [ 6 ] [ 7 ] and is a member of the NGC 4993 Group.
NGC 2937 is an elliptical galaxy located in the constellation Hydra. Its velocity relative to the cosmic microwave background is 105.1 ± 7.4 km/s, which corresponds to a Hubble distance of 105.1 ± 7.4 Mpc (∼343 million ly). [1] NGC 2937 was discovered by German astronomer Albert Marth in 1864.
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]
NGC 3200 is a large spiral galaxy located in the constellation Hydra. Its velocity relative to the cosmic microwave background is 3,877 ± 25 km/s, which corresponds to a Hubble distance of 57.2 ± 4.0 Mpc (~187 million ly). NGC 3200 was discovered by American astronomer Edward Singleton Holden in 1882. [1]
The two ends of the nebula are marked by FLIERs, lobes of fast moving gas often tinted red in false-color pictures. [5] NGC 3242 can easily be observed with amateur telescopes and appears bluish-green to most observers. Larger telescopes can distinguish the outer halo as well. [6] At the center of NGC 3242 is an O-type star with a spectral type ...
NGC 3305 is an elliptical galaxy located about 190 million light-years away [2] in the constellation Hydra. [3] The galaxy was discovered by astronomer John Herschel on March 24, 1835. [ 4 ] [ 5 ] NGC 3305 is a member of the Hydra Cluster .
NGC 5626 is a lenticular galaxy in the constellation of Hydra. Its velocity with respect to the cosmic microwave background is 7,120 ± 20 km/s, which corresponds to a Hubble distance of 105.0 ± 7.4 Mpc (∼342 million light-years). It was discovered by British astronomer John Herschel on 30 March 1835. [2]
NGC 2848 is an intermediate spiral galaxy in the constellation of Hydra. Its velocity with respect to the cosmic microwave background is 2,361 ± 23 km/s, which corresponds to a Hubble distance of 34.82 ± 2.46 Mpc (∼114 million light-years). [1] It was discovered by German-British astronomer William Herschel on 31 December 1785.