• A photometric study of the young open cluster NGC 1220 

      Ortolani, Sergio; Carraro, Giovanni; Covino, Stefano; Bica, Eduardo Luiz Damiani; Barbuy, Beatriz (2002) [Artigo de periódico]
      We present UBV CCD observations obtained in the field of the northern open cluster NGC 1220, for which little information is available. We provide also BV CCD photometry of a field 5' northward of NGC 1220 to take into ...