NGC 6611
Number of stars per data source
Reference 10 : 1 star
Reference 57 : 28 stars
References
- 10
- Pel J.W.
- (1975) Astron. Astrophys. Suppl. 24, 413
- Five-channel photometry of cepheids and supergiants in the southern Milky Way
- 1975A&AS...24..413P
- 57
- Winter D., Koulis C., The P.S., van den Ancker M.E., Perez M.R., Bibo E.A.
- (1997) Astron. Astrophys. Suppl. 121, 223
- Pre-main sequence candidates in the very young open cluster NGC 6611
- 1997A&AS..121..223W