WINGS: Deep optical phot. of 77 nearby clusters

This is the second paper of a series devoted to the WIde Field Nearby Galaxy-cluster Survey (WINGS). WINGS is a long term project which is gathering wide-field, multi-band...本文为宽视场近邻星系团巡天（Wide Field Nearby Galaxy-cluster Survey, WINGS）相关系列研究的第二篇论文。WINGS作为一项长期巡天项目，正开展宽视场、多波段……的观测数据采集工作。