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The Messier catalogue is one of the most famous lists of astronomical objects, and many objects on the list are still referenced by their Messier numbers. [1] The catalogue includes most of the astronomical deep-sky objects that can be easily observed from Earth's Northern Hemisphere; many Messier objects are popular targets for amateur ...
NGC 5866 (also called the Spindle Galaxy or possibly Messier 102) is a lenticular galaxy in the constellation Draco.NGC 5866 was most likely discovered by Pierre Méchain or Charles Messier in 1781, and independently found by William Herschel in 1788.
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 ...
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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.
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 ...
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 ).
NGC 5195 (also known as Messier 51b or M51b) is a dwarf galaxy that is interacting with the Whirlpool Galaxy (also known as M51a or NGC 5194). Both galaxies are located approximately 25 million light-years away in the constellation Canes Venatici .