Pismis 17
Number of stars per data source
Reference 120 : 1 star
References
120
Moffat A.F.J., Vogt N.
(1975) Astron. Astrophys. Suppl. 20, 125
Southern open clusters V. UBV Hbeta photometry of 20 clusters in carana
1975A&AS...20..125M