The four brightest stars of Cassiopeia are all brighter than the third magnitude. Notable features Stars File:Cassiopeiaurania.jpgĬassiopeia in her chair, as depicted in Urania's Mirror, a set of constellation cards published in London c.1825. She is opposite the Big Dipper, and from northern latitudes can be seen at her clearest in early November. It is bordered by Andromeda to the south, Perseus to the southeast, and Cepheus to the north. It is easily recognizable due to its distinctive 'W' shape, formed by five bright stars. Cassiopeia was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today. 1st, 2004 from near N41° W73° by Randal J.Ĭassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Visible at latitudes between + 90° and − 20°.īest visible at 21:00 (9 p.m.) during the month of November. She is usually depicted on her throne, still combing her hair.Colloquially / ˌ k æ s i ˈ oʊ p iː. Cassiopeia, the myth goes, was condemned to circle the celestial pole forever, and spends half the year upside down in the sky as punishment for her vanity. It was Poseidon who placed Cassiopeia and Cepheus in the sky. In the process, however, the king and queen were also killed because they did not look away from the monster’s head in time. One look at Medusa’s head turned them all into stone. There was a fight and Perseus, desperately outnumbered, used the head of Medusa, the monster he had recently slain, to defeat his opponents. At the wedding, one of her former suitors, named Phineus, appeared and claimed that he was the only one who had the right to marry Andromeda. Perseus and Andromeda were later married. However, she was saved in the last minute by the Greek hero Perseus, who happened to be passing by, saw Andromeda and rescued her from the monster. Reluctantly, they did so, leaving Andromeda chained to a rock for the monster to find. Cepheus turned to an oracle for help and the oracle told him that, in order to appease Poseidon, he and Cassiopeia had to sacrifice their daughter Andromeda to the sea monster. The sea god obliged and sent Cetus, a sea monster represented by the constellation Cetus (the Whale), located in the same region of the sky, to ravage the coast of Cepheus’ kingdom. Poseidon was married to one of the nymphs, Amphitrite. They were enraged by Cassiopeia’s comments and appealed to Poseidon to punish Cassiopeia for her boastfulness. The Nereids were the 50 sea nymphs fathered by the Titan Nereus. Once, she boasted that she was more beautiful than the Nereids. In mythology, Cassiopeia was the wife of King Cepheus of Ethiopia. The brightest star in the constellation is Schedar, Alpha Cassiopeiae. Cassiopeia is the 25th largest constellation in the night sky and can be seen at latitudes between +90° and -20°. It is easily recognizable in the sky because of its distinctive W shape. The constellation was first catalogued by the Greek astronomer Ptolemy in the 2nd century. It was named after Cassiopeia, the vain and boastful queen in Greek mythology. Cassiopeia constellation is located in the northern sky.
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