Saiph, Kappa Orionis (κ Ori), is a blue-white supergiant located at a distance of 650 ly from Earth in the constellation Orion. It marks Orion's right knee.| Star Facts
Tabit (Pi³ Orionis) is an F-type main sequence star located 26.32 light-years away in the constellation Orion. It is one of the relatively bright stars that form Orion's Shield.| Star Facts
Alnitak, Zeta Orionis (ζ Ori), is a triple star system located at a distance of 1,260 light years. It forms Orion's Belt with Alnilam and Mintaka.| Star Facts
Messier 78 (M78) is a reflection nebula located in the northern constellation Orion, the Hunter. M78 is the brightest diffuse reflection nebula in the sky. It has an apparent magnitude of 8.3 and lies at an approximate distance of 1,600 light years from Earth. It has the designation NGC 2068 in the New General Catalogue.… Read More »Messier 78| Messier Objects
The Flame Nebula (NGC 2024) is an emission nebula located 1,350 light years away in the constellation Orion. It is illuminated by the supergiant Alnitak, the easternmost star of Orion's Belt.| www.constellation-guide.com
Learn about the 88 modern constellations, their names, history, how to identify them, why we see different constellations at different times of year, and other fun facts.| www.constellation-guide.com
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
Carina is a constellation in the southern sky. It represents the keel of the ship Argo. It is home to Canopus, the second brightest star in the sky, and Eta Carinae, a massive star illuminating the Carina Nebula.| www.constellation-guide.com
The Horsehead Nebula (B33) is a dark nebula located 1,375 light-years away in the constellation Orion. It is part of one of the nearest massive stellar nurseries to the Sun. It appears in the region of Orion's Belt.| www.constellation-guide.com
Cassiopeia is a prominent constellation in the northern sky. Recognizable for its W shape, the constellation is home to the Heart Nebula, the Soul Nebula, the Pacman Nebula, and the open clusters Messier 52 and Messier 103.| www.constellation-guide.com
Leo is one of the largest constellations in the northern sky. It is home to Regulus, one of the brightest stars in the sky, the nearby red dwarf Wolf 359, and the Leo Triplet of galaxies.| www.constellation-guide.com
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
Orion's Sword is one of three major asterisms in the constellation Orion, along with Orion's Belt and Orion's Shield. It is formed by three multiple star systems -- 42 Orionis, Theta Orionis, and Iota Orionis -- and the bright, large Orion Nebula (Messier 42).| www.constellation-guide.com
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
Hatysa (ι Ori) is the primary component in a multiple star system located 1,340 light-years away in the constellation Orion. It forms Orion’s Sword with 42 Orionis, Theta Orionis, and the Orion Nebula (M42).| Star Facts
Bellatrix, Gamma Orionis (γ Ori), is a main sequence star located at a distance of 250 ly in Orion constellation. Also known as the Amazon Star, it marks Orion's left shoulder.| Star Facts
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
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
Messier 45 (M45), also known as the Pleiades or Seven Sisters, is a bright open star cluster located in the constellation Taurus, the Bull. The Pleiades cluster has an apparent magnitude of 1.6 and lies at an average distance of 444 light years from Earth. The cluster is also known as Melotte 22. It does… Read More »Messier 45: Pleiades| Messier Objects
Messier 42 (M42), the famous Orion Nebula, is an emission-reflection nebula located in the constellation Orion, the Hunter. With an apparent magnitude of 4.0, the Orion Nebula is one of the brightest nebulae in the sky and is visible to the naked eye. It lies at a distance of 1,344 light years from Earth and… Read More »Messier 42: Orion Nebula| Messier Objects
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
Elnath, Beta Tauri (β Tau), is a blue-white giant star located at a distance of 134 ly from Earth in the constellation Taurus. It was once also known as Gamma Aurigae.| Star Facts
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
Ursa Major, the Great Bear, is the largest constellation in the northern sky. It is home to the Big Dipper asterism, formed by its seven brightest stars, and to many well-known deep sky objects.| www.constellation-guide.com
Greek constellations are the 48 ancient constellations listed by the Greek astronomer Claudius Ptolemy in his Almagest in the 2nd century CE. Most of them are associated with stories from Greek mythology.| www.constellation-guide.com
Deneb (α Cyg) is a blue-white supergiant located 2,615 light-years from Earth in the constellation Cygnus. The luminous star forms the Summer Triangle with Vega and Altair.| Star Facts