From DeepSkyVideos.

Professor Mike Merrifield on the second entry in the so-called Caldwell Catalogue, a planetary nebula with a fascinating story to tell. More links and info in full description ↓↓↓

See our video on Caldwell 1 – https://youtu.be/Et2Ij161PXE

Mike Merrifield is an emeritus professor from the University of Nottingham.

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Astronomy at The University of Nottingham: https://www.nottingham.ac.uk/astronomy/

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Video by Brady Haran