Pegasus

Pegasus is a constellation recorded in ancient times by Ptolemy and is one of the 88 official constellations established by the International Astronomical Union. It is a constellation of the northern hemisphere of the celestial sphere and is bordered by eight constellations, namely: Andromeda, Jura, Swan, Alopex, Delphin, Hippopotamus, Aquarius and Pisces.

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"Oh Be A Fine Girl Kiss Me" and the Types of Stars.

After a series of observations of many years, astronomers ranked the Stars in 7 groups (O - B - A - F - G - K - M) according to the type of spectrum of each Star. For each spectrum type class there are 10 subdivisions denoted by numbers from 0 to 9.

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