Alnilam (ε Ori) is a blue supergiant star located 1,180 light-years away in the constellation of Orion. It forms Orion's Belt with Alnitak and Mintaka.| Star Facts
BAT99-98 is a Wolf-Rayet star located in the Tarantula Nebula in the Large Magellanic Cloud. With a mass 226 times that of the Sun, it may be the most massive star discovered to date.| 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
Alpha Centauri is the nearest star system to the Sun, located at a distance of only 4.37 light years or 1.34 parsecs from Earth. It is the brightest star in Centaurus constellation and the third brightest star in sky.| www.constellation-guide.com
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
Argo Navis (the Ship Argo) is an obsolete constellation located in the southern sky. It was divided into three smaller constellations – Carina (the Keel), Puppis (the Stern) and Vela (the Sails) in the 18th century.| www.constellation-guide.com
Pyxis is a small constellation in the southern sky. Created in the 18th century, it represents a mariner's compass.| www.constellation-guide.com
Piscis Austrinus is a small constellation in the southern sky. It represents the Southern Fish. It is home to Fomalhaut, one of the brightest stars in the sky.| www.constellation-guide.com
Pictor is a small, faint constellation located in the far southern sky. It was created in the 18th century. It represents a painter's easel.| www.constellation-guide.com
Monoceros is a relatively faint northern constellation located between Canis Major and Canis Minor. It is home to the famous variable star V838 Monocerotis, the open cluster Messier 50, and the Rosette Nebula.| www.constellation-guide.com
Equuleus is the smallest constellation in the northern sky. It represents a little horse or foal and lies near the larger horse, Pegasus. The constellation is home to the yellow giant Kitalpha and the spiral galaxy NGC 7015.| www.constellation-guide.com
Delphinus is one of the smallest northern constellations. Recognizable for its distinctive quadrilateral shape, the constellation is home to the Blue Flash Nebula (NGC 6905) and the globular clusters NGC 6934 and NGC 7006.| www.constellation-guide.com
Columba is a faint constellation located in the southern sky. It represents the dove. The constellation is home to the runaway star Mu Columbae, the barred spiral galaxy NGC 1808, and the globular cluster NGC 1851.| www.constellation-guide.com
Naos, Zeta Puppis (ζ Pup) is a hot blue supergiant located at a distance of 1,080 light years from Earth in the constellation Puppis. It is the constellation's brightest star.| Star Facts
Boötes (the Herdsman or Plowman) is a large northern constellation dominated by a kite-shaped asterism. The constellation is home to Arcturus, the brightest northern star, and the contrasting double star Izar.| 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
Gacrux, Gamma Crucis (γ Cru), is a red giant star located at a distance of 88.6 ly in the constellation Crux. It is one of the stars that form the Southern Cross.| Star Facts
Musca is a small constellation in the southern celestial hemisphere. It represents the fly. The constellation is home to the Spiral Planetary Nebula (NGC 5189), the Hourglass Nebula (MyCn 18), and the Dark Doodad Nebula.| www.constellation-guide.com
Aspidiske, Iota Carinae (ι Car) is a white supergiant star located 690 light years away in the southern constellation Carina. It is one of the four bright stars that form the False Cross.| Star Facts
Alsephina, Delta Velorum Aa (δ Vel Aa), is the primary component in a triple star system located 80.6 ly away in the constellation Vela. It is one of the four stars that form the False Cross.| Star Facts
The False Cross is an asterism formed by four bright stars in the constellations Vela and Carina. Located in the far southern sky, the diamond-shaped pattern is often confused for the brighter Southern Cross.| www.constellation-guide.com
Brachium (σ Lib) is a red giant located approximately 288 light-years away in the constellation Libra. It is the third brightest star in Libra, after Zubeneschamali and Zubenelgenubi.| Star Facts
Puppis is a constellation located in the southern hemisphere. Home to many notable stars, it represents the stern of the ship Argo, on which Jason and the Argonauts sailed to get the Golden Fleece.| 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
Vela is a constellation in the southern sky. It represents the sails of Argo Navis, the mythical ship of Jason and the Argonauts. The constellation contains the Vela Supernova Remnant, the Eight-Burst Nebula, and the Omicron Velorum Cluster| www.constellation-guide.com
Markeb, Kappa Velorum (κ Vel), is a spectroscopic binary star located 570 light years away in the constellation Vela. It is one of the four bright stars that form the False Cross.| Star Facts
Regor, Gamma Velorum (γ Vel), is a multiple star system located at a distance of 1,095 light years in the constellation Vela. It contains one of the nearest supernova candidates to Earth.| Star Facts
The Pencil Nebula is the brightest part of the larger Vela Supernova Remnant, one of the closest supernova remnants to the Sun. The nebula has an apparent magnitude of 12.0 and lies approximately 815 light-years away.| www.constellation-guide.com
The Vela Supernova Remnant (Vela SNR) is the remnant of a supernova that occurred around 11,000 years ago in the southern constellation Vela. The remnant lies approximately 936 light-years away. It is one of the nearest supernova remnants to the Sun.| www.constellation-guide.com
The Gum Nebula is a large emission nebula located approximately 1,470 light-years away in the southern constellations Puppis and Vela. It covers an area of 36 degrees, which is equivalent to 72 full Moons.| www.constellation-guide.com
Eta Carinae (η Car) is a massive binary star system located approximately 7,500 light-years away in the constellation Carina. The system consists of two exceptionally massive stars that will end their lives as supernovae.| Star Facts
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
Centaurus is a large constellation located in the southern celestial hemisphere. It is home to Alpha Centauri, the nearest star system to Earth, the bright galaxy Centaurus A, and the globular cluster Omega Centauri.| www.constellation-guide.com
Eridanus is one of the largest constellations in the sky. It represents the celestial river. It is home to Achernar, one of the brightest stars in the sky, the nearby star Epsilon Eridani, and the Witch Head Nebula (IC 2118).| www.constellation-guide.com
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
AG Carinae (HD 94910) is a luminous blue variable (LBV) located 17,000 light-years away in the constellation Carina (the Keel). It is one of the most luminous stars known in the Milky Way.| Star Facts
The Large Magellanic Cloud (LMC) is a Magellanic spiral galaxy located 163,000 light-years away in the constellation Dorado and Mensa. It is the brightest satellite galaxy of the Milky Way and one of the nearest galaxies to our own.| www.constellation-guide.com
Carina Nebula (NGC 3372, Caldwell 92) is a large region of bright and dark nebulosity located 8,500 light-years in the constellation Carina. It hosts Eta Carinae, one of the most massive and luminous stars known.| www.constellation-guide.com
Lyra is a small constellation in the northern sky. It represents the lyre of Orpheus. The constellation is home to Vega, the second brightest northern star, and the Ring Nebula (M57), a famous planetary nebula.| www.constellation-guide.com
Polaris (α UMi), the North Star, is a yellow supergiant located 446 light-years away in the constellation Ursa Minor. The star is part of the Little Dipp| Star Facts
Sagittarius is a large constellation in the southern sky. It is one of the constellations of the zodiac. It contains the Milky Way centre and some of the best known nebulae in the sky.| www.constellation-guide.com
The Southern Cross is a bright, diamond-shaped asterism located in the far southern sky. Formed by the brightest stars of the constellation Crux, the asterism is commonly used to find the south celestial pole.| www.constellation-guide.com
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
Alpha Centauri (α Cen) is a triple star system located at a distance of 4.37 light years from Earth in the constellation Centaurus. It is the nearest star system to the Sun and hosts the nearest extrasolar planets to Earth.| Star Facts
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