Star Clusters Photograph

M 55 NGC 6809 The Summer Rose Star

Capture
Seestar s50 64 stacks
Date
12 November 2025
Location
Camden, NSW
Original
1080 × 1920 px

M 55 NGC 6809 The Summer Rose Star, also known as Specter Cluster, is a globular cluster in the south of the constellation Sagittarius. It is about 17,600 light-years away from Earth and contains about 269,000 solar masses. M55 is relatively diffuse and quite loose in appearance. The cluster has a low surface brightness and requires good observing conditions to be seen, even in binoculars. Apparent magnitude 7.42

See it in the star clusters gallery