Stock 7

Number of stars per data source

	Reference    2 :    8 stars
	Reference    3 :    1 star

References

 2

Crawford D.L., Perry C.L.

(1966) Astron. J. 71, 206

Four-color and Hbeta photometry of open clusters I. The Hyades

1966AJ.....71..206C

 3

Crawford D.L., Barnes J.V.

(1969) Astron. J. 74, 407

Four-color and Hbeta photometry of open clusters II. Coma and Ursa Major

1969AJ.....74..407C