From DeepSkyVideos.

Messier 63 is also known as NGC 5055. Featuring Professor Mike Merrifield.
More links and info in full description ↓↓↓

Also check out M51 – https://youtu.be/yiv6a8BVzPE

And all our Messier Object videos – http://bit.ly/MessierObjects

PAPER
Uncovering Spiral Structure in Flocculent Galaxies
https://iopscience.iop.org/article/10.1086/310250/meta

Map of the Galaxy (Objectivity): https://youtu.be/PccGklgNlHs

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Video by James Hennessy and Brady Haran