Dictionary of Nomenclature of Celestial Objects

 d= (Wd) 
Details on Acronym:   Cl Westerlund
  
Cl Westerlund
 Write:<<Cl Westerlund  N>>
 N:  2
Object:OCl  (SIMBAD class: OpenCluster = Open Cluster)
  Note:No. 1 = C 1644-457, defined 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>.