Seen in silhouette against a bright bulge of stars, the swath of cosmic dust lanes lends a hat-like appearance to the galaxy in optical images suggesting the more popular moniker, The Sombrero Galaxy.

• 在鼓胀星系核心的明亮恒星之衬托下，可见光影像里的这道尘埃带，具有墨西哥草帽的外观，也因此让它获得草帽星系的昵称。