M15 is a globular cluster located in the constellation of Pegasus. It consists of an estimated 100,000 stars and has a very dense central core having undergoing a core collapse where stars migrate towards the center. It's age is estimated at 12 billion years and is located 33,600 light years away.
Cataloged by Charles Messier in 1764 in his catalog of comet like objects.
Imaged with the ES127 refractor and Atik314L+ mono ccd camera.