NGC 5822 UBVI and uvbyCaH{beta} photometry

NGC 5822 is a richly populated, moderately nearby, intermediate-age open cluster covering an area larger than the full moon on the sky. A CCD survey of the cluster on the UBVI...NGC 5822是一个成员星丰富、距离适中、年龄处于中等阶段的疏散星团，其在天球上的视覆盖面积大于满月。本数据集包含针对该星团开展的UBVI波段CCD（Charge-Coupled Device，电荷耦合器件）测光巡天相关内容。