Denebola
Denebola, Beta Leonis (β Leo), is a white main sequence star located at a distance of 35.9 light years from Earth in the constellation Leo. It marks the Lion's tail.| Star Facts
Gemini (the Twins) is one of the northern zodiac constellations. It is home to the bright stars Pollux and Castor, the open cluster Messier 35, the planetary nebula known as the Medusa Nebula, and the supernova remnant IC 443 (the Jellyfish Nebula).| www.constellation-guide.com
Equatorial constellations are the 15 constellations that intersect the celestial equator. These are among the most universally recognizable constellations in the sky, visible from most places on Earth. They culminate highest when seen from locations near the equator.| 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
Denebola, Beta Leonis (β Leo), is a white main sequence star located at a distance of 35.9 light years from Earth in the constellation Leo. It marks the Lion's tail.| Star Facts
Hydra is the largest constellation in the sky. Located in the southern celestial hemisphere, the constellation contains the open cluster Messier 48, the Porpoise Galaxy (NGC 2936), and the Southern Pinwheel Galaxy (M83).| www.constellation-guide.com
Libra is one of the southern zodiac constellations. It is home to Methuselah Star (HD 140283), one of the oldest stars known, the nearby red dwarf Gliese 581, and the barred spiral galaxies NGC 5885 and NGC 5792.| www.constellation-guide.com
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
Aquarius is one of the constellations of the zodiac. Representing the Water Bearer, the constellation is home to the yellow supergiants Sadalsuud and Sadalmelik and the famous Helix Nebula.| 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
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
Coma Berenices is a faint constellation in the northern sky. It is home to the Black Eye Galaxy (M64), the Needle Galaxy (NGC 4565), the grand design spiral galaxy Messier 100, and the bright nearby Coma Star Cluster.| 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
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
Procyon, Alpha Canis Minoris (α CMi), is the eighth brightest star in the sky. It is the primary component in a binary star system located 11.46 light-years away in the constellation Canis Minor.| 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
Regulus, Alpha Leonis (α Leo), is a multiple star system located at a distance of 79.3 ly from Earth in the constellation Leo. It marks the heart of the celestial Lion.| Star Facts
Spica, Alpha Virginis (α Vir), is a blue-white spectroscopic binary star located at a distance of 250 light years from Earth in the constellation Virgo.| 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
The list of the 300 brightest stars in the night sky, along with the stars' Bayer designations, apparent magnitudes, distances, and spectral types.| Star Facts
Scorpius is a zodiac constellation located in the southern sky. It is home to Antares, one of the brightest stars in the sky, and to the bright open clusters Messier 6 (the Butterfly Cluster) and Messier 7 (Ptolemy's Cluster).| www.constellation-guide.com
Capricornus is a faint constellation in the southern sky. It represents the goat. The constellation is home to the multiple star system Delta Capricorni (Deneb Algedi) and the bright globular cluster Messier 30.| www.constellation-guide.com
Messier 31 (M31), better known as the Andromeda Galaxy, is a large spiral galaxy located in the constellation Andromeda. Lying at a distance of 2.54 million light years from Earth, the Andromeda Galaxy is the nearest major galaxy to our own. It is on a collision course with our home galaxy, the Milky Way. Messier… Read More »Messier 31: Andromeda Galaxy| Messier Objects
Charles Messier’s Catalogue of Nebulae and Star Clusters (Catalogue des Nébuleuses et des Amas d’Étoiles) is an astronomical catalogue of 110 bright deep sky objects that may be mistaken for comets. Even though it was compiled for the purpose of helping observers distinguish between permanent and transient objects in the night sky, the Messier catalogue… Read More »Messier Catalogue| Messier Objects
The Virgo Cluster is the closest large cluster of galaxies to the Milky Way. With over a thousand known members, the cluster spans an area of the sky about 5 by 3 degrees in size. While some of the most prominent members can be seen in smaller instruments, a 6-inch telescope will reveal about 160… Read More »Virgo Cluster| Messier Objects
Zodiac constellations are the 12 constellations that lie along the plane of the ecliptic, which is defined by the circular path of the Sun across the sky, as seen from Earth.| www.constellation-guide.com
