Dictionary of Nomenclature of Celestial Objects

 ..17..343H
     byHOAG A.A.
, JOHNSON H.L., IRIARTE B., MITCHELL R.I., HALLAM K.L., SHARPLESS S.
 Publ. U.S. Naval Obs. Second Serie, 17, 343-542 (1961)

    Photometry of stars in galactic cluster fields.

oFormat 'NN' for photoelectrically measured stars, Format 'NNN' for    photographically measured stars (1st star = No. 101).
oCatalogue: <IC NNNN NN> or <Cl* IC NNNN Hoag NN> or <NGC NNNN NN> or    <Cl* NGC NNNN Hoag NN> or <Cl Trumpler 2 NN> or <Cl* Trumpler 35 Hoag    NN>. Appendix: <Cl* NGC NNNN Hoag NNN> (Nos 101-NNN). For NGC 7128:    Catalogue: <Cl* NGC 7128 HJ NNN> (Nos 1-25), Appendix: <Cl* NGC 7128    HJP NNN> (Nos 1-NNN)

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