This cluster of over 3,000 stars resides in a stellar nursery known as Gum 29. It can be found in the constellation Carina, and is located 20,000 light years away. The image overlays both near-infrared and visible-light data.
Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI), and the Westerlund 2 Science Team