![]() 52 Cassiopeiae, Cassiopeia's Dimmest Visible Star The difference between the magnitudes is that absolute magnitude is the object from 10 Parsecs or 32.6 light-years away from the observer, whereas apparent is from Earth. The star has an apparent magnitude of 2.24 but an absolute magnitude of -1.98. The star is recognised as being the brightest in the constellation as it has the Bayer status of Alpha. The brightest star in Cassiopeia is Schedar, about 228.25 light-years from the Sun. The most distant figure is derived from the 1997 or 2007 Hipparcos star catalogue parallax figure and has been known to produce wrong distances. The furthest star I have data for and can be located in Cassiopeia is HIP 12972, 326,163.30 light-years away from the Sun. The nearest star to the Earth with an exoplanet is HD 7924, about 54.83 light-years. The nearest star to Earth that is located in the constellation of Cassiopeia is Achird, about 19.42 light-years from the Earth. If you know of a star that is nearer or further, do let me know in the comments, and I'll add it to the site. The caveat of these stars is that they are catalogued on this site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status. The following neighbouring constellations surrounds Cassiopeia :. This site covers fifteen non-Messier deep space objects, and the list is below. The current biggest star so far identified in the constellation of Cassiopeia is PZ Cassiopeiae.Ĭharles Messier catalogued two deep-space object(s) within Cassiopeia's boundary. There is a dedicated page for exoplanets in Cassiopeia. There are twenty Extrasolar Planets in this constellation, detailed on this site. The constellations on the Ecliptic are the Zodiac constellations plus Ophiuchus. The Earth is tilted at an angle of 23.44°, which is why the two differ and why we have seasons. The Ecliptic is the path that the Earth takes around the Sun. The Celestial Equator is the projection of the Terrestrial Equator into space. Cassiopeia lies north of the Ecliptic, which is different to the Celestial Equator. The celestial hemispheres are a projection of the terrestrial hemisphere into the sky. Any with a higher magnitude can only be seen with a telescope or binoculars.Ĭassiopeia is a northern celestial hemisphere constellation. Naked eye stars are stars which have an apparent magnitude of 6.5 or lower. Cassiopeia has 188 stars can be seen with the naked eye on a clear night sky. The Hipparcos satellite scanned and detailed two thousand three hundred and twenty-four stars. Constellations are not equally sized.Ĭassiopeia has 5 stars that make up the constellation. Cassiopeia is the 25th largest constellation in terms of size in the night sky. degrees of the night sky, equating to 1.45% of the night sky. The Zodiac constellations are the ones astrologers use to predict a person's future based on their birth date.Ĭassiopeia (Constellation) takes up 598.407 sq. and 168 A.D.Ĭassiopeia is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. It can be when referring to the constellation shortened or abbreviated to Cas.Ĭassiopeia is one of the many constellations that were created by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. Typically, it is within the boundaries of the constellation or was once until they were redrawn. The genitive form is Cassiopeiae, which means anything at the end of its name infers a relationship to the constellation. Toucan).Ĭassiopeia is a Latin name that in English means "Queen of Ethiopia". ![]() A constellation is a pattern of stars in a recognisable shape that is supposed to resemble an object, animal or person. Cassiopeia's pronunciation is Cas-see-o-pee-ah. ![]() Cassiopeia Constellation is one of 88 constellations recognised by the International Astronomical Union ( I.A.U.). ![]()
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