The Blue Horsehead Nebula (IC 4592) is a reflection nebula located approximately 400 light-years away in the constellation Scorpius. It is illuminated by the multiple star system Nu Scorpii.| www.constellation-guide.com
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
The Hyades (Caldwell 41, Melotte 25) is a bright, large open cluster located 153 light-years away in the constellation Taurus. It is the nearest open star cluster to the Sun. It marks the head of the celestial Bull.| www.constellation-guide.com
Ain, Epsilon Tauri (ε Tau), is an orange giant star located 146 light-years away in the constellation Taurus. It is a member of the Hyades cluster and marks one of the Bull's eyes.| 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
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
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
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
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
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
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
Messier 1 (M1), also known as the Crab Nebula, Taurus A, or NGC 1952, is an expanding supernova remnant and pulsar wind nebula. It is located in the northern constellation Taurus, the Bull. The Crab Nebula has an apparent magnitude of 8.4 and can be seen with binoculars in good viewing conditions. Messier 1 is… Read More »Messier 1: Crab Nebula| Messier Objects
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
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
T Tauri is a young variable star located 471 light-years away in the constellation Taurus. It serves as the prototype for the T Tauri variables and illuminates Hind’s Variable Nebula (NGC 1555).| 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
Epsilon Eridani (ε Eri) is an orange dwarf located 10.475 light-years away in the constellation Eridanus. It is the third nearest visible star to the Sun. It hosts a confirmed planet, Epsilon Eridani b.| Star Facts
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
The Witch Head Nebula (IC 2118) is a large, faint reflection nebula located approximately 900 light-years away in the constellation Eridanus. It is illuminated by the supergiant Rigel in Orion, the seventh brightest star 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
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
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
Propus, Eta Geminorum (η Gem), is the primary component in a triple star system located 700 light-years away in the constellation Gemini. It is a red giant star that marks the foot of Castor.| 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
The Big Dipper is an asterism formed by the seven brightest stars in the constellation Ursa Major. It is also known as the Plough, the Saucepan, and the Great Wagon.| www.constellation-guide.com
Mira, Omicron Ceti (ο Cet), is a red giant star located at a distance of 300 ly from Earth in the constellation Cetus. It is a pulsating variable star and a prototype for its own class, known as the Mira variables.| Star Facts
The life cycle of a star is the process of change in structure and composition that every star undergoes over time. It can last for a few million years or trillions of years, depending on the star’s mass.| Star Facts