101 Must-See Objects: NGC 3532

If you love common names for deep-sky objects, NGC 3532 in the constellation Carina the Keel will give you all you want. Various amateur astronomers through the years have called it the Firefly Party Cluster, the Football Cluster, the Wishing Well Cluster, the Pincushion Cluster, and the Black Arrow Cluster. More formally, it’s also listed as Caldwell 91 and Melotte 103.

No matter how you refer to it, this fabulous open cluster sits in a gorgeous star field 4.7° south-southwest of ma