Halpha+[NII] imaging of Dorado galaxies

Dorado is a nearby, rich and clumpy galaxy group that extends for several degrees in the Southern Hemisphere. Although several studies have been dedicated to define its members,...剑鱼座（Dorado）星系群是一处位于南半球的邻近富且结构致密成团的星系群，其在天球上的延展跨度达数个度。尽管已有多项研究致力于明确其成员星系，……