Collinder 97

Number of stars per data source

	Reference    3 :   10 stars
	Reference   50 :    3 stars

References

 3
Babu G.S.D
(1983) J. Astrophys. Astr. 4, 235
Membership of stars in faint galactic open clusters
1983JApA....4..235B
 50
Cannon A.J., Pickering E.C.
(1918-1924), Ann. Obs. Harvard Coll. Obs. 91 to 99 and 100
Henry Draper catalogue and extension