Un Chien Andalou officially welcomed into the ranks of the Surrealists by the movement's leader André Breton, an event recalled by film historian Georges Sadoul: "Breton had convoked the creators to our usual venue [the Café Radio] ... one summer's evening. Dalí had the large eyes, grace, and timidity of a gazelle. To us, Buñuel, big and athletic, his black eyes protruding a little, seemed exactly like he always is in "Un Chien Andalou", meticulously honing the razor that will slice the open eye in two." Among the most enthusiastic viewers of the film were the wealthy couple Viscount Charles and Marie-Laure de
Un Chien Andalou defined Surrealism as "Psychic Automatism", unconscious, capable of returning to the mind its true functions, beyond any form of control by reason, morality or aesthetics." The film was financed by Buñuel's mother, and shot in Le Havre and Paris at the Billancourt Studios over a period of 10 days in March 1928. It is a black and white, 35mm, silent film, with a running time of 17 minutes, although some sources state 24 minutes, and a physical length of 430 meters. For many years (and still), published and unpublished reports have circulated that Buñuel had used a dead pig's eye,