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Its distance from Earth is about 25.2 million light-years or 7.72 megaparsecs, [2] similar to the distance of M101 (NGC 5457) in the constellation Ursa Major. [5] Both were once considered to be part of the Local Group , [ 6 ] but are now known to be among the dozen bright spiral galaxies near the Milky Way but beyond the confines of the Local ...
Theta Centauri or θ Centauri, officially named Menkent (/ ˈ m ɛ ŋ k ɛ n t /), [9] [10] is a single [11] star in the southern constellation of Centaurus, the centaur.With an apparent visual magnitude of +2.06, [2] it is the fourth-brightest member of the constellation.
Eta Crateris, Latinized from η Crateris, is a solitary [9] star in the southern constellation of Crater. It marks the lip of the tilted bowl on the left side in the constellation. It marks the lip of the tilted bowl on the left side in the constellation.
δ Cassiopeiae (Latinised to Delta Cassiopeiae) is the star's Bayer designation.WDS J01258+6014A is its designation in the Washington Double Star Catalog.. It also bore the traditional names Ruchbah and Ksora; the former deriving from the Arabic word ركبة rukbah meaning "knee", [9] and the latter appeared in a 1951 publication, Atlas Coeli (Skalnate Pleso Atlas of the Heavens) by Czech ...
Lambda Scorpii is a triple star system and the second-brightest object in the constellation of Scorpius. It is formally named Shaula; Lambda Scorpii is its Bayer designation, which is Latinised from λ Scorpii and abbreviated Lambda Sco or λ Sco. With an apparent visual magnitude of 1.62, it is one of the brightest stars in the night sky.
Messier 69 or M69, also known NGC 6637, and NGC 6634, [9] [10] is a globular cluster in the southern constellation of Sagittarius. [a] It can be found 2.5° to the northeast of the star Epsilon Sagittarii and is dimly visible in 50 mm aperture binoculars. The cluster was discovered by Charles Messier on August 31, 1780, the same night he ...
η Ophiuchi (Latinised to Eta Ophiuchi) is the system's Bayer designation.WDS J17104-1544AB is its designation in the Washington Double Star Catalog.The designations of the two components as WDS J17104-1544 A and B derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the International Astronomical Union (IAU).
Beta Volantis, Latinized from β Volantis, is the brightest star of the southern constellation of Volans.It has an apparent visual magnitude of 3.75, [2] which is sufficiently bright to allow it to be viewed with the naked eye.