Dictionary of Nomenclature of Celestial Objects

D
byD'ODORICO S. , DOPITA M.A., BENVENUTI P.
 Astron. Astrophys., Suppl. Ser., 40, 67-80 (1980)
  A catalogue of supernova remnant candidates in nearby galaxies.
oTable II: <DDB 1-NN> = <DDB M 31 NN> (Nos 1-19). Table III: <DDB NGC 253 N> (Nos 1-2), <DDB NGC 300 N> (Nos 1-7), <DDB NGC 2403 N> (Nos 1-2), <DDB NGC 6822 N> (No. 1), <DDB IC 1613 N> (No. 1), <DDB IC 342 N> (Nos 1-4). Table IV: <DDB 2-NN> = <DDB M 33 NN> (Nos 1-19)

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