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A preliminary version of the catalogue first appeared in 1774 in the Memoirs of the French Academy of Sciences for the year 1771. [3] [4] [5] The first version of Messier's catalogue contained 45 objects, which were not numbered. Eighteen of the objects were discovered by Messier; the rest had been previously observed by other astronomers. [6 ...
HSC — Hubble Source Catalog [21] (lists of sources from the Hubble Space Telescope) Hst — C.S. Hastings (double stars) Hu — Humason (planetary nebulae) Hu — W.J. Hussey (double stars) Hurt — Robert Hurt (for example: globular star cluster Hurt 2, aka 2MASS-GC02 in Sagittarius) Huygens — Christiaan Huygens (double stars) HV ...
Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major. It has a D 25 isophotal diameter of 29.44 kiloparsecs (96,000 light-years ).
Download QR code; Print/export ... This galaxy is the most distant object in the Messier Catalog, ... Hubble image captured by Wide Field Camera 3.
Messier 62 or M62, also known as NGC 6266 or the Flickering Globular Cluster, is a globular cluster of stars in the south [a] of the equatorial constellation of Ophiuchus. It was discovered in 1771 by Charles Messier, [b] then added to his catalogue eight years later. [11] M62 is about 21.5 kly [3] from Earth and 5.5 kly from the Galactic ...
Charles Messier discovered the object in 1781 [a] in a systematic search for "nebulous objects" in the night sky. [7] It is the 84th object in the Messier Catalogue and in the heavily populated core of the Virgo Cluster of galaxies, part of the local supercluster. [8] This galaxy has morphological classification E1, denoting it has flattening ...
Messier 65 (also known as NGC 3623) is an intermediate spiral galaxy about 35 million light-years away in the constellation Leo, within its highly equatorial southern half. It was discovered by Charles Messier in 1780. With M66 and NGC 3628, it forms the Leo Triplet, a small close group of galaxies.
[a] His countryman Charles Messier looked for it 36 days later, and included it in his catalog. [8] Both opted for the then-dominant of the competing terms for such objects, considering it a faint nebula rather than a cluster. With a larger instrument, astronomer John Herschel called it a bright "cluster of stars of a round figure".