English: RW Cephei is a hypergiant which has undergone an enhanced mass loss phase ending less than 100 years ago. The material released by the star causes it to appear extended in mid-infrared wavelengths. This image shows the extent of the circumstellar material seen at a wavelength of 11.9 μm.
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Captions
11.9 μm image of the extended emission around RW Cephei