Andromeda, a constellation also known as the CHAINED LADY. Not to be confused with Andromeda Galaxy, M31, NGC 224.

This constellation is just south from Cassiopeia. It consists of many stars, only a few of which are conspicuous. As we have noticed, one star of Andromeda, Alpherat,belongs to the Great Square of Pegasus. The chief remaining stars of this constellation may readily be found by drawing a line diagonally across the square from Markab through Alpherat. Continue the line east 7 from
Alpherat to a 3m star, and on the same line 7 still further is Merach, a 2m star, which, with a few dim ones above and below it, form the girdle of the Princess. Continue the line 10 or more to another 2m star, Almach, the last important star in Andromeda.

[top]Finding Andromeda the Constellation


Andromeda has her mother, Cassiopeia, close by on the north. At her feet lies Perseus, her deliverer, while her head rests upon the shoulder of Pegasus, the winged horse which brought Perseus to her rescue. To the south, beyond the intervening constellations of Aries and Pisces, Cetus, the sea-monster, who was to devour her.

Its characteristic configuration is the line of three second-magnitude stars, alpha, betta, and gamma, extending east and north from alpha, which Itself forms the N.E. corner of the so-called " Great Square of Pegasus," and is sometimes lettered as Delta Pegasus.

[top]Star Lore


Andromeda is known as the Chained Lady and is famous for her role in Greek myths featuring Perseus. Cassiopeia, the queen of Ethiopia, bragged that her daughter was more beautiful than the Nereids, sea nymphs blessed with incredible beauty. They became offended by the remark and asked Poseidon to punish Cassiopeia. Poseidon commanding the sea monster Cetus to attack Ethiopia. The only way to save the country was to sacrifice Andromeda to Cetus. She was chained to a rock by the sea but was saved by Perseus, who used the head of Medusa to turn the monster into stone. Andromeda then married Perseus. After Andromeda's death Athena placed her in the sky as a constellation, to honour her.

[top]Notable Objects

[top]Double Stars in Andromeda

Double Stars. Gamma Andromeda Mags. 3, 5; Pos. 62°; Dist. 11"; color orange and greenish blue — a beautiful object. The small star is itself double, but at present so close as to be beyond the reach of all but very large instruments

[top]Nebulae & Galaxies in Andromeda

M31 - M31 is a large galaxy (used to be called the great nebula) visible in some dark skies to the naked eye.

M32 - M32 is a small round, and bright object in dark skies. Visible in the same low-power field with M31. South and east of M31

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