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110 astronomical objects
- The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas d'Étoiles (Catalogue of Nebulae and Star Clusters).
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The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas d'Étoiles (Catalogue of Nebulae and Star Clusters). Because Messier was interested only in finding comets, he created a list of those non-comet objects that frustrated his hunt for them.
- Messier Catalogue
- Astronomical catalogue
- 1774 (preliminary version)
- Charles Messier
There are 110 astronomical objects listed in the Messier catalog: 40 galaxies, 29 globular clusters, 27 open clusters, 6 diffuse nebulae, 4 planetary nebulae. The list also contains a few stand-alone objects: 1 supernova remnant, 1 asterism, 1 double star, and 1 Milky Way patch.
MNgcTypeConsM1NGC 1952 Crab NebulaSupernova RemnantTaurusM2NGC 7089Globular ClusterAquariusM3NGC 5272Globular ClusterCanes VenaticiM4NGC 6121Globular ClusterScorpius- Messier 1 (The Crab Nebula) Better known as the Crab Nebula, Charles Messier originally mistook Messier 1 for Halley’s Comet, which inspired him to create…
- Messier 2. Hubble's image of Messier 2 is comprised of visible and infrared wavelengths of light.
- Messier 3. Messier 3 holds more than 500,000 stars.
- Messier 4. Use the bright star, Antares, to help you find Messier 4.
- Crab Nebula (NGC 1952) The Crab Nebula (M1) is a supernova remnant approximately 6,500 light years away in the constellation Taurus. It is the remnant of the historic supernova SN 1054, observed from July 4, 1054, to April 6, 1056.
- NGC 7089. NGC 7089 (M2) is a globular cluster 55,000 light years away in the constellation Aquarius. It has an apparent magnitude of 6.3 and is 16 arcminutes across.
- NGC 5272. NGC 5272 (M3) is a globular cluster 33,900 light years away in the constellation Canes Venatici. It appears almost exactly halfway between Arcturus and Cor Caroli.
- NGC 6121. NGC 6121 (M4) is a globular cluster 7,200 light years away in the constellation Scorpius. It appears only 1.3 degrees west of Antares.
- What Are Messier objects?
- A Messier Marathon: See All Messier Objects
- A Bit of History
- Useful References For Messier Objects
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The Messier list starts with 103 deep-sky objects by the 18th century French astronomer Charles Messier. Eventually, seven more additions in the 20th century, bring the list up to 110 objects. Specifically, these deep-sky objectsrefer to astronomical bodies other than stars or planets. The Messier objects all appear as fuzzy, nebulous patches in th...
In addition, every year in March, all 110 Messier objects are visible during the course of a single night. Stargazers around the world take advantage of this coincidence and plan a so-called Messier marathon. Basically, participants use telescopes or binoculars and attempt to see as many Messier objects as possible throughout 12 continuous hours of...
Ironically, Charles Messier never intended to compile a list of deep-sky objects. Because Messier was a comet hunter, he began cataloging nebulous objects that are often mistaken for comets. In short, those nebulous objects also appear as visually diffuse bodies, just like a comet. Comets were important in the 18th century because astronomers were ...
A nice reference for stargazers with a telescope is a book titled Deep-Sky Companions: The Messier objects, now in its second edition. Written by the renowned amateur astronomer Stephen James O’Meara, this book includes over 100 drawings from pencil illustrating the true visual appearance of Messier objects, as viewed from Hawaii with a small refra...
Messier objects are 110 astronomical bodies other than stars or planets, classified as nebulae, star clusters or galaxies. They are easily observed with a small telescope and a Messier marathon is a popular challenge for stargazers in March.
Messier Objects. The Messier objects are a group of deep sky objects catalogued by the French astronomer Charles Messier in the late 18th century. Messier’s Catalogue des Nébuleuses et des Amas d’Étoiles ( Catalogue of Nebulae and Star Clusters) is a collection of deep sky objects (galaxies, nebulae, star clusters) and other astronomical ...
The complete Messier Catalogue, including images, magnitudes and coordinates to find each one in the night sky.
