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