Hubble Space Telescope Image of Betelgeuse
This is the first image of a star (other than the Sun) which
resolves the stellar disk. The image was taken in March 1995, using
the Faint Object Camera on the Hubble Space Telescope.
The apparent size of Betelgeuse is approximately 0.1 arcsecond.
Credit: Andrea Dupree (Harvard-Smithsonian Center for Astrophysics),
Ronald Gilliland (Space Telescope Science Institute), NASA, & ESA