Mizar, Zeta Ursae Majoris (ζ UMa), is a quadruple star system in Ursa Major. It lies at a distance of 82.9 ly. It is one of the stars that form the Big Dipper.| Star Facts
Alcor (80 Ursae Majoris, g Ursae Majoris) is a double star in the constellation Ursa Major. It is the fainter companion to the Big Dipper star Mizar.| 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
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
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
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