Un Chien Andalou reference to the popular children's novel "Platero y yo" by Juan Ramón Jiménez, which Buñuel and Dalí hated. Anthropologist Jean Rouch has reported that after filming was complete, Buñuel and Dalí had run out of money, forcing Buñuel to edit the film personally in his kitchen without the aid of a Moviola or any other technical equipment. The first screening of "Un Chien Andalou" took place at Studio des Ursulines, with an audience of "le tout-Paris". Notable attendees of the première included Pablo Picasso, Le Corbusier, Jean Cocteau, Christian Bérard and George Auric, in addition to the entirety of André
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 For many years (and still), published and unpublished reports have circulated that Buñuel had used a dead pig's eye,