Pease 1 is a planetary nebula

Planetary nebula

A planetary nebula is an emission nebula consisting of an expanding glowing shell of ionized gas ejected during the asymptotic giant branch phase of certain types of stars late in their life...

 located within the globular cluster

Globular cluster

A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. The name of this category of star cluster is...

 M15

M15

-In firearms and military equipment:* M15 mine, a United States anti-tank mine* M15 rifle, a United States military rifle* Grigorovich M-15, a Russian World War I-era biplane flying boat* M15 pistol, a General Officer's variant of the M1911A1-In transportation:...

 33,600 light years

Light Years

Light Years is the seventh studio album by Australian recording artist Kylie Minogue. It was released on 25 September 2000 by Parlophone and Mushroom Records. The album's style was indicative of her return to "mainstream pop dance tunes"....

 away in the constellation

Constellation

In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 Pegasus

Pegasus

Pegasus is one of the best known fantastical as well as mythological creatures in Greek mythology. He is a winged divine horse, usually white in color. He was sired by Poseidon, in his role as horse-god, and foaled by the Gorgon Medusa. He was the brother of Chrysaor, born at a single birthing...

. It was the first planetary nebula known to exist within a globular cluster when it was discovered in 1928, and just three more have been found (in other clusters) since. At magnitude 15.5, it requires telescopes with an aperture of at least 300mm to be detected.