Messier 45 Pleiades
Commonly called the Pleiades or Seven Sisters, M45 is known as an open star cluster that contains over a thousand stars that are loosely bound by gravity, but it is visually dominated by a handful…
Messier Objects
Messier 44 Beehive Cluster
The Beehive Cluster is an open cluster in the constellation Cancer. It is one of the nearest open clusters to Earth, containing a larger population of stars than other nearby bright open clusters. Under dark…
Messier 43 De Mairan’s Nebula
Messier 43 or M43, also known as De Mairan’s Nebula and NGC 1982, is a star-forming nebula with a prominent H II region in the equatorial constellation of Orion. It was discovered by the French…
Messier 42 Orion Nebula
Messier 42 (M42), the famous Orion Nebula, is an emission-reflection nebula located in the constellation Orion, the Hunter. The Orion Nebula is one of the most scrutinized and photographed objects in the night sky, and…
Messier 41
Messier 41 (M41) is a bright open star cluster located in Canis Major constellation. It lies near Sirius, the brightest star in the sky. Messier 41 occupies an area of 38 arc minutes in apparent…
Messier 40
Messier 40, M40, also known as Winnecke 4, is a double star located in the constellation Ursa Major, the Great Bear. It is one of the few Messier objects that are not deep sky objects, but…
Messier 39
Messier 39 (M39) is a large open cluster located in the constellation Cygnus, the Swan. The cluster’s apparent size is 32 arc minutes, making it larger than the full Moon, which means that M39 is…
Messier 38 Starfish Cluster
Messier 38 (M38), also known as the Starfish Cluster, is an open star cluster located in the northern constellation Auriga. The best way to observe Messier 38 is in small or medium-sized telescopes at low…
Messier 37
Messier 37 is an open cluster in the constellation Auriga Messier 37 is the brightest, richest and largest of the three open clusters in this constellation that were catalogued by Messier. Interestingly, Messier 37 lies in…
Messier 36 Pinwheel Cluster
Messier 36, also known as the Pinwheel Cluster, is an open cluster located in the northern constellation Auriga, the Charioteer. Messier 36 is one of the most distant open clusters catalogued by Messier and about…