Dictionary of Nomenclature of Celestial Objects

f NGC 5253. N=12 stellar clusters, clusters C3 and C3' are heavily blended and form a double nuclear cluster.
in source:NGC 5253
Ref:=2004ApJ...612..222A
byALONSO-HERRERO A. , TAKAGI T., BAKER A.J., RIEKE G.H., RIEKE M.J., IMANISHI M., SCOVILLE N.Z.
 Astrophys. J., 612, 222-237 (2004)
  Obscured star formation in the central region of the dwarf galaxy NGC 5253.
oFig.2, Table 1: <[ATB2004] CNN> (Nos C1-C12), <[ATB2004] CN'> (No. C3').

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