|Observation data (2000.0 epoch)|
|Right ascension||07h 08m|
|Distance||ly (258 pc)|
|Apparent magnitude (V)||2.1|
|Apparent dimensions (V)||50'|
|Other designations||Pi Puppis Cluster; C 0715-367|
It consists of four stars visible also to naked eye, and a widespread population of stars. It lies in the southern celestial hemisphere near a rich star field. The main component is the star Pi Puppis, which gives to the cluster its common name; it is an orange supergiant with a visual magnitude of 2.71. The 5th magnitude stars are all variables: one (NV Puppis) is a Gamma Cassiopeiae variable, and the other (NW Puppis) is a Beta Cephei variable.
- "Simbad Query Result". Retrieved 2011-08-15.
- H. Baumgardt (1998). "The Nature of some doubtful Open Clusters as revealed by Hipparcos". Astronomy and Astrophysics. Bibcode:1998A&A...340..402B. Retrieved 2011-08-15.