(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 |
by | WESTERLUND B. |
Publ. Astron. Soc. Pac., 73, 51-56 (1961) | |
A heavily reddened cluster in Ara. | |
o | <Cl Westerlund 1>. |
====Sorry, no entry could be found==== |