Dictionary of Nomenclature of Celestial Objects

1 B
Ref:=1956ApJ...124...90J
byJOHNSON H.M.
 Astrophys. J., 124, 90-92 (1956)
  Symmetric galactic nebulae. II.
oTable 1: <[J56] NN> (Nos 1-32), among which 11 are cross-id. with <PN YM NN> (Nos 37-47)

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