Using NASA’s Hubble Space Telescope and the W.M. Keck Observatory in Hawaii, astronomers have learned that the gaseous outflow from one of the brightest super-sized stars in the sky is more complex than originally thought. The outbursts are from VY Canis Majoris, a red supergiant star that is also classified as a hypergiant because of its very high luminosity.
https://hubblesite.org/contents/news-releases/2007/news-2007-03.html