Hubble’s Variable Nebula (NGC 2261) is a variable nebula located approximately 2,500 light-years away in the constellation Monoceros. It is illuminated by the young variable star R Monocerotis.| www.constellation-guide.com
Canis Minor is a small constellation in the northern sky. It represents the smaller dog following Orion. It is home to Procyon, one of the brightest stars in the sky, and Luyten's Star, one of the nearest stars to Earth.| www.constellation-guide.com
The Cone Nebula is a famous H II region located 2,700 light-years away in the constellation Monoceros, the Unicorn. It is part of the larger star-forming region NGC 2264, along with the Christmas Tree Cluster and the Fox Fur Nebula.| www.constellation-guide.com
The Rosette Nebula is a vast emission nebula associated with an open cluster in Monoceros constellation. It lies at a distance of 5,200 light years. It is a popular target for visual astronomy and astrophotography.| www.constellation-guide.com
Castor, Alpha Geminorum (α Gem), is a sextuple star system located at a distance of 51 ly from Earth in the constellation Gemini. It consists of three binary pairs.| Star Facts
Epsilon Indi (ε Ind) is a star system located only 11.867 light-years from the Sun in the southern constellation Indus. With an apparent magnitude of 4.8310, it is visible to the unaided eye.| Star Facts
Messier 93 (M93) is an open star cluster located in the constellation Puppis. It lies at a distance of 3,600 light years from Earth. Messier 93 has the designation NGC 2447 in the New General Catalogue. The cluster has an apparent diameter of 22 arc minutes, roughly two thirds the size of the full Moon.… Read More »Messier 93| Messier Objects
Messier 46 (M46) is an open star cluster located in the southern constellation Puppis, the Stern. It occupies an area of 27 arc minutes of apparent sky, almost the size of the full Moon, and has a spatial diameter of 30 light years. Messier 46 is a relatively bright, large cluster containing about 500 stars.… Read More »Messier 46| Messier Objects
Cygnus, the Swan, is one of the largest northern constellations. Recognizable for the Northern Cross, it is home to the bright supergiant Deneb, the North America Nebula (NGC 7000) and the Gamma Cygni Nebula (IC 1318).| www.constellation-guide.com
Asterisms are defined as patterns formed by stars of one or more constellations. These star patterns are commonly recognized by observers across the world and once served as a basis for the modern 88 constellations.| www.constellation-guide.com
Canopus, Alpha Carinae (α Car), is a white bright giant star located at a distance of 310 light years from Earth in the constellation Carina. It is the second brightest star in the sky.| Star Facts
Rigel (β Ori) is a blue-whlue-white supergiant star located 848 light-years away in the constellation Orion. It is the most luminous star within 1,000 ly of Earth.| Star Facts
V838 Monocerotis (Nova Monocerotis 2002) is a red supergiant located approximately 19,200 light-years away in the constellation Monoceros. It was the first star to be classified as a luminous red nova.| Star Facts
Mebsuta, Epsilon Geminorum (ε Gem) is a yellow supergiant star located 840 light-years away in the constellation Gemini. It marks Castor's leg in the constellation figure of the Twins.| Star Facts
Orion, the Hunter, is one of the best known constellations in the sky. Home to Orion's Belt, the Orion Nebula, and the bright stars Rigel and Betelgeuse, the constellation lies north of the celestial equator and is visible from both hemispheres.| www.constellation-guide.com
Canis Major is a constellation in the southern sky. It represents the bigger dog following Orion, the Hunter. The constellation is home to Sirius, the brightest star in the sky, and the Canis Major Dwarf Galaxy.| www.constellation-guide.com
Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star and supernova candidate located 548 light-years away in the constellation Orion. Marking the Hunter's shoulder, it is one of the most recognizable stars in the night sky.| Star Facts
Sirius, Alpha Canis Majoris (α CMa), is the brightest star in the sky. The Sirius star system lies at a distance of 8.6 ly from Earth in the constellation Canis Major. It can be found using the stars of Orion's Belt.| Star Facts
The Christmas Tree Cluster is a young open cluster located in the constellation Monoceros. It is part of the star-forming region NGC 2264, which also contains the Cone Nebula and the Fox Fur Nebula.| www.constellation-guide.com
40 Eridani (Keid) is a triple star system located 16.34 light-years away in the constellation Eridanus. In Star Trek lore, primary component is the host star of the planet Vulcan.| Star Facts
Virgo is the second largest constellation in the sky. It is home to the Sombrero Galaxy (M104), the Virgo Cluster of galaxies, and Spica, one of the brightest stars in the sky.| www.constellation-guide.com
Taurus is a large constellation in the northern sky. It is home to Aldebaran, one of the brightest stars in the sky, the Crab Nebula, a supernova remnant, and the Pleiades and the Hyades, the nearest open clusters to Earth.| www.constellation-guide.com
Orion’s Belt is one of the most familiar asterisms in the night sky. It is formed by three stars in the constellation Orion: Alnitak, Alnilam, and Mintaka. The bright blue stars are part of the hourglass-shaped constellation figure of Orion.| www.constellation-guide.com
The nearest stars to the Sun include some of the brightest stars in the sky, but the majority of the 100 nearest stars are faint red dwarfs, like our nearest neighbour Proxima Centauri.| Star Facts
The list of all the named stars (stars with names that have been formally approved by the IAU), with name origins and etymologies explained.| Star Facts
The Winter Triangle, or the Great Southern Triangle, is an asterism formed by the bright stars Betelgeuse in Orion, Procyon in Canis Minor and Sirius in Canis Major constellation.| www.constellation-guide.com
Aldebaran, Alpha Tauri (α Tau), is an orange giant star located at a distance of 65.3 ly from Earth in the constellation Taurus. It marks the eye of the Bull.| Star Facts
Messier 44 (M44), also known as the Beehive Cluster or Praesepe (the Manger), is an open star cluster in the constellation Cancer. Praesepe is a bright, large cluster with an apparent magnitude of 3.7. It lies at a distance of 577 light years from Earth. It has the designation NGC 2632 in the New General… Read More »Messier 44: Beehive Cluster| Messier Objects
Proxima Centauri, Alpha Centauri C (α Cen C), is a red dwarf star located at a distance of 4.244 light years from Earth in the constellation Centaurus. It is the nearest star to the Sun and hosts the two nearest planets, Proxima b and Proxima c.| Star Facts