NGC 1960

Number of stars per data source

	Reference   50 :   12 stars
	Reference  101 :   40 stars

References

 50

Cannon A.J., Pickering E.C.

(1918-1924), Ann. Obs. Harvard Coll. Obs. 91 to 99 and 100

Henry Draper catalogue and extension

 101

Trumpler R.J.

(1930) Lick Obs. Bull. 14, 154

Preliminary results on the distances, dimensions and space distribution of open star clusters