NGC 6649
Number of stars per data source
Reference 40 : 409 stars
Reference 59 : 40 stars
Reference 142 : 97 stars
References
- 40
- Madore B.F., van den Bergh S.
- (1975) Astrophys. J. 197, 55
- UBV photometry of the cepheid V 367 Scuti in the open cluster NGC 6649
- 1975ApJ...197...55M
- 59
- The P.S., Roslund C.
- (1963) Contr. Bosscha Obs. no 19
- Photometry of the galactic cluster NGC 6649
-
- 142
- Talbert F.D.
- (1975) Publ. Astron. Soc. Pacific 87,341
- UBV photometry of NGC 6649
- 1975PASP...87..341T