ined again in 1968ApJ...154L..67W. No. 2 = C 1022-575 in Alter+ 1970 catalogue of clusters ans associations.
   Ref:=1961PASP...73...51W
     byWESTERLUND B.

 Publ. Astron. Soc. Pac., 73, 51-56 (1961)

    A heavily reddened cluster in Ara.

o<Cl Westerlund 1>.

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