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A Lucky Cluster of Middle-Aged Stars - (Caldwell 1 or NGC 188) - Deep Sky Videos

The open cluster NGC 188 has retained an unusual population of middle-aged stars due to an orbit which spends long periods away from the messy galactic plane. More links and info in full description ↓↓↓ Discussed by Professor Mike Merrifield, emeritus professor from the University of Nottingham. The cluster is also dubbed Caldwell 1, the first entry in Patrick Moore's so-called Caldwell Catalogue of objects worth observing. Paper: Accurate, Precise, and Physically Self-consistent Ages and Metallicities for 400,000 Solar Neighborhood Subgiant Branch Stars - https://arxiv.org/abs/2407.18307 Messier Objects playlist: http://bit.ly/MessierObjects Back us on Patreon:   / deepskyvideos   Astronomy at The University of Nottingham: https://www.nottingham.ac.uk/astronomy/ Twitter:   / deepskyvideos   Facebook:   / deepskyvideos   Video by Brady Haran