Andromeda Reference Libraries

Perseus Constellation -- Location: Northern Hemisphere; Coordinates: Right Ascension: 03h; Declination: +45; Source: Greek Mythology Perseus was the son of the Greek god Zeus and the mortal princess Danae. Perseus' grandfather, Acrisius, the king of Argos, was warned by an oracle that he would be killed by his grandson. Acrisius locked his daughter Danae in a dungeon to prevent her bearing a...

Cetus Constellation -- Cetus (the Whale or Sea Monster) is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus. Notable features This constellation's most notable star is Mira, ο Ceti, the first variable star to be discovered. Over a period of 331.65 days it varies from magnitude 2.0, one of the...

Andromeda Constellation -- Andromeda is a constellation representing the princess Andromeda, in the northern sky near Pegasus. The constellation takes the general shape of a long, dim, straggly letter "A". It is most notable for containing the Andromeda Galaxy. Notable features The brightest star in Andromeda, α Andromedae, called Alpheratz or Sirrah, makes up with α, β, and...

Andromeda Galaxy -- The Andromeda Galaxy, also known as M31, or the object 31 on the catalog of Messier, is the other giant spiral galaxy in the Local Group, together with our galaxy, the Milky Way. It is at a distance of approximately 2.36 million light years or 725 kpc, in the direction of the constellation Andromeda, and it will probably merge in the future with our galaxy, to form a...