UBV CCD photometry of NGC 1220

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...本文报道了北天疏散星团NGC 1220天区的UBV波段电荷耦合器件（Charge-Coupled Device，CCD）观测数据，目前针对该星团的可用资料相对匮乏。我们还提供了某（原文未完整表述）的BV波段CCD测光数据。