Achird (Eta Cassiopeiae) is a yellow-white G-class hydrogen fusing dwarf, with a dimmer orange K-class dwarf.It is a bright blue-white B-class giant that is located about 440 light-years away. Segin (Epsilon Cassiopeiae) is thought to be around 65 million years-old.It is known as an eclipsing binary star and is the fourth most luminous in this constellation. Ruchbah (Delta Cassiopeiae) is another name derived from the Arabic language (rukbah) which means knee.Caph (Beta Cassiopeiae) derives its name from the Arabic language (kaf) which means “palm.” This star is known as one of the Three Guides (the other two are Alpheratz in Andromeda and Algenib in Pegasus) that marks the point where the Sun crosses the celestial equator into the Spring and Autumn equinox.This star is categorized as a orange giant and is located about 228 light-years away. Schedar (Shedir) ~ (Alpha Cassiopeiae) is located at the bottom-right of Cassiopeia’s “W.” Its name is from the Arabic language (sadr) which means “breast” and marks the place of Cassiopeia’s heart.
Gamma Cassiopeiae shines the brightest in the Cassiopeia constellation (which will be discussed later in detail).The constellation Cassiopeia contains nine main stars that makes up its shape. It can be found 2.53 million light-years from Earth. NGC 147 (Caldwell 17): this is another dwarf spheroidal galaxy.It is located 2.08 million light-years in distance. NGC 185 (Caldwell 18): this dwarf spheroidal galaxy contains young clusters of stars and, until recently, has shown star formation.The White Rose Cluster (NGC 7789): because of the star-pattern-loops that resemble rose petals, this open star cluster is also called, “Caroline’s Rose” or “the White Rose.”.The Pacman Nebula (NGC 281): named after its resemblance to the popular video game character, NGC 281 is a large gas cloud with recent star formations.It is also known for being one of the first and also the brightest and strongest astronomical radio forces. Cassiopeia A: this deep space wonder is the remnants from a supernova and burns at around 50 million degrees Fahrenheit.Messier 103 (NGC 581): this 25 million year-old open cluster contains around 172 stars and is about 10,000 light-years from here.Messier 52 (NGC 7654): first discovered in 1774, this open cluster is estimated to be about 35 million years-old and contains (among others) two bright giants that shine the brightest.Read on to discover some fascinating facts about these celestial wonders. By IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg) CC BY 3.0, via Wikimedia Commons Planetary SystemsĬassiopeia has seven deep sky objects.
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