Astrophysicist Alain Lecavelier des Etangs (Institut d'Astrophysique de Paris, France) tells about the first images of the Beta-Pictoris disk very close to the star, that he and his colleagues took in the 1990s (part 2). Also see https://picsat.obspm.fr/science/scien... for science references.

With many thanks to Jean Mouette from the Institut d'Astrophysique de Paris for technical support with the interview.