![]() ![]() The constellation of Cassiopeia belongs to the Perseus family of constellations, along with Andromeda, Auriga, Cepheus, Cetus, Lacerta, Pegasus, Perseus, and Triangulum. Best viewed: During November, at 21:00 – 9 p.m.Visible: between latitudes +90 degrees and -20 degrees.Cassiopeia lies in the first quadrant of the northern hemisphere, and it can easily be identified due to its W or M shape. Cassiopeia spreads out for over 598 square degrees. The constellation of Cassiopeia is the 25 th largest constellation in the sky. In ancient Persia, she was drawn by al-Shufi as a queen holding a staff with a crescent moon in her right hand, wearing a crown, and as a two-humped camel. Poseidon decreed that Andromeda be bound by a rock as prey for the sea-monster Cetus (a near constellation), however, she was rescued by the hero Perseus.Ĭassiopeia has been depicted throughout history as a constellation. Poseidon forced her to wheel around the North Celestial Pole on her throne, spending half of her time clinging to it to avoid falling off. In an alternative story, Cassiopeia boasted that she herself has more beautiful than the sea nymphs. Cassiopeia was the wife of King Cepheus of Aethiopia and the mother of princess Andromeda.Īndromeda, Cepheus, and Cassiopeia were placed next to each other among the stars as punishment after enraging Poseidon, the ocean god after Cassiopeia boasted that her daughter, Andromeda, was more beautiful than the Nereids. The constellation of Cassiopeia is named after the queen of Aethiopia. The irregular galaxy IC 10 is situated in Cassiopeia – it is the closest known starburst galaxy and the only one in the Local Group of galaxies. ![]() A rich section of the Milky Way runs through Cassiopeia – containing several open clusters, young luminous galactic disc stars, and nebulae.A supernova remnant designated as Cassiopeia A – is the brightest extrasolar radio source in the sky at frequencies above 1 GHz.The constellation of Cassiopeia hosts some of the most luminous stars known, including the yellow hypergiants Rho Cassiopeiae, and V509 Cassiopeiae, and the white hypergiant 6 Cassiopeiae.Alpha Cassiopeiae is occasionally outshone by the variable star Gamma Cassiopeiae, which sometimes reaches magnitude 1.6.Cassiopeia is located in the northern sky and from latitudes above 34 oN it is visible all year-round.The brightest star in Cassiopeia is Schedar – Alpha Cassiopeiae – which has an apparent magnitude of 2.2, and it is 676 times brighter than our Sun.There are two Messier objects in Cassiopeia, Messier 52, and Messier 103 – both are open clusters.The star HR 8832 is believed to host seven planets.Currently, there are around 14 known stars that host exoplanets in Cassiopeia.Cassiopeia is the 25 th largest constellation in the sky, stretching across for around 598 square degrees.Cassiopeia is now among the 88 modern constellations and it is easily recognizable due to its distinctive W shape – formed by five of its brightest stars.Cassiopeia is among the 48 constellations first listed by the Greek astronomer Ptolemy, in the 2 nd century CE.
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