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
Kochab, Beta Ursae Minoris (β UMi), is an orange giant star located at a distance of 130.9 light years from Earth in the constellation Ursa Minor. It is one of the seven stars of the Little Dipper.| Star Facts
The Little Dipper is an asterism formed by seven bright stars in the constellation Ursa Minor, the Little Bear. It has historically played an important role in navigation because it includes Polaris, the North Star.| www.constellation-guide.com
The Northern Cross is a prominent asterism formed by the brightest stars in the constellation Cygnus. It appears in a rich Milky Way field and outlines the body of the celestial Swan.| www.constellation-guide.com
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
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
Draco is one of the largest northern constellations. It represents the dragon Ladon in Greek mythology. The constellation is home to the Cat's Eye Nebula (NGC 6543), the Spindle Galaxy (M102), and the Tadpole Galaxy (Arp 188).| 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
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
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
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
The W-shaped asterism formed by the five brightest stars of Cassiopeia is one of the most familiar features of the northern night sky. It is used to find the Heart and Soul Nebulae, the Double Cluster, the open clusters M52 and M103, and many other deep sky objects.| 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
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
Dubhe, Alpha Ursae Majoris (α UMa) is a spectroscopic binary star in Ursa Major constellation. It is part of the Big Dipper and known as one of the Pointer Stars.| 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
Pollux, Beta Geminorum (β Gem), is an orange giant star located at a distance of 33.78 ly in the constellation Gemini. It is 43 times more luminous than the Sun.| 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
Phecda, Gamma Ursae Majoris (γ UMa), is the 6th brightest star in the Big Dipper and in the constellation Ursa Major. It lies at a distance of 83.2 ly from Earth.| Star Facts
Merak, Beta Ursae Majoris (β UMa) is a subgiant star in the constellation Ursa Major. It is one of the Pointer Stars and one of the stars of the Big Dipper.| 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
Messier 97 (M97), also known as the Owl Nebula, is a famous planetary nebula located in Ursa Major constellation. The nebula lies at a distance of 2,030 light years from Earth and has an apparent magnitude of 9.9. It has the designation NGC 3587 in the New General Catalogue. Messier 97 occupies an area 3.4… Read More »Messier 97: Owl Nebula| 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
Messier 109 (M109) is a barred spiral galaxy located in the constellation Ursa Major. The galaxy lies at a distance of 83.5 million light years and has an apparent magnitude of 10.6. It has the designation NGC 3992 in the New General Catalogue. Messier 109 occupies an area of 7.6 by 4.7 arc minutes of… Read More »Messier 109| Messier Objects
Messier 108 (M108), nicknamed the Surfboard Galaxy, is a barred spiral galaxy located in the constellation Ursa Major. The galaxy lies at an approximate distance of 45.9 million light years from Earth and has an apparent magnitude of 10.7. It has the designation NGC 3556 in the New General Catalogue. Messier 108 occupies an area… Read More »Messier 108: Surfboard Galaxy| Messier Objects
Messier 106 (M106) is a spiral galaxy located in the constellation Canes Venatici, the Hunting Dogs. M106 lies at a distance of 23.7 million light years from Earth and has an apparent magnitude of 9.1. It has the designation NGC 4258 in the New General Catalogue. Messier 106 occupies an area of 18.6 by 7.2… Read More »Messier 106| Messier Objects