M15

Messier 15 or M15 (also designated NGC 7078 and sometimes known as the Great Pegasus Cluster) is a globular cluster in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Charles Messier‘s catalogue of comet-like objects in 1764.^{[citation needed]} At an estimated 12.5±1.3 billion years old, it is one of the oldest known globular clusters.^[10]

Imaged in my Desert Astro observatory with a Planewave CDK17, Paramount MEII, ZWOASI2600 MC Pro Duo. Unguided for 2.5 hrs. on 10/24/25. Processed with Pixinsight EZ Suite