Dictionary of Nomenclature of Celestial Objects

N
Object:PN  (SIMBAD class: PlanetaryNeb = Planetary Nebula)
Stat:is completely incorporated in Simbad
Ref:=1964ApJ...139..864N
byNASSAU J.J. , STEPHENSON C.B., CAPRIOLI G.
 Astrophys. J., 139, 864-868 (1964)
  Spectral classification for new or unclassified late-type variables, emission-line stars, S stars, and planetary nebulae.
oTable 1: <[NSC64] 1-NN> (Nos 1-1 to 1-56). Table 2: <[NSC64] 2-NN> (Nos 2-1 to 2-20). Table 3: <[NSC64] 3-N> (Nos 3-1 to 3-8). Table 4: <[NSC64] 4-NN> (Nos 4-1 to 4-16). Table 5: <PN Na N> (Nos 1-2).

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