Tagged: Caldwell 91 - Adam Lundie - Eatons Hill Observatory

First Calalogued in 1752, the NGC 3532, also known as the Wishing Well Cluster is an open cluster comprised of approximately 150 stars. It was also the first object ever observed by the Hubble Space Telescope. The bright orange star in the top right of the image is x Carinae (x Car), the brightest yellow hypergiant in the sky - 200,000 times as luminous as the Sun.