M52 is an open star cluster containing over 190 stars. It contains two Messier objects, M52 and M103. The Milky Way runs through Cassiopeia so it is rich in deep-sky objects. It is a variable star with a magnitude of between 1.6 and 3.0.
Navi is the third brightest star and makes up the center of the W. With a magnitude of 2.28, it is believed to be a blue-white giant star 28 times brighter than the Sun. It is an orange giant star located 228 light years from Earth. Shedar is the brightest star in the constellation with a visual magnitude of 2.24. The stars that make up this W are Segin, Ruchbah, Navi, Shedar, and Caph. As the stars rotate throughout the night, Cassiopeia can sometimes be seen hanging upside down as punishment for her vanity.Ĭassiopeia is one of the most easily recognizable constellations due to its distinctive W or M shape, depending on the time of year and the viewer’s location. Cassiopeia was condemned to circle the celestial pole forever. As punishment, the god Poseidon placed Cassiopeia and Cepheus in the sky. She is represented as being chained to her throne in the heavens as punishment for her boast of being more beautiful than all the Nereids. It is bordered by Andromeda to the south, Perseus to the southeast, and Cepheus to the north.Ĭassiopeia was the wife of Cepheus and mother of Andromeda. This makes it the 25th largest constellation in the night sky. It is a mid-sized constellation occupying 598 square degrees. Since it is located close to the north celestial pole, it is completely below the horizon for anyone located south of -20 degrees. It is visible at latitudes between 90 degrees and -20 degrees. The constellation Cassiopeia, Queen of Ethiopia, can be seen in the northern hemisphere all year long.
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