M 15

M15 (NGC 7078), a globular stellar cluster  in constellation Pegasus. About 175 light-years in diameter, M15 is composed of at least five hundred thousand stars. 

M15, second brightest cluster in the Northern hemisphere, discovered in 1746 (J.-D. Maraldi) is about  34.000 light-years away from Earth, and the globular cluster is one of over one hundred clusters that orbit the center of the Milky Way

Globular Cluster M15, Kempen (D), 4 July 2022, William Optics 110 mm APO FLT f/7, ASI1600mm pro, L-filter 1800 s,

gain 139, T: -10C, Image processing with PixInsight V 1.8.9