IC 2944, also known as the Running Chicken Nebula, the Lambda Centauri Nebula or the λ Centauri Nebula, is an open cluster with an associated emission nebula found in the constellation Centaurus, near the star λ Centauri. From Wikipedia
The vast stellar nursery, located 6,500 light-years from Earth, is home to young stars whose radiation causes the surrounding hydrogen gas to glow pink.
