Cl* NGC 581 ESY 4 , the SIMBAD biblio

1991TrSht..62..234E - Trudy Gosud. Astron. Inst. Shternberga, 62, 234-237 (1991)

Precise positions of reference stars in open clusters NGC 457 and NGC 581.

EVSTIGNEEVA N.M., SHOKIN Y.A. and YUFEREV A.O.

Journal keyword(s):

Nomenclature: Cl* NGC 457 ESY NN (Nos 1-76). Cl* NGC 581 ESY NN (Nos 1-69).

Simbad objects: 148

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