Black Angel is a 1980 short film that was shown before the theatrical release of The Empire Strikes Back in certain locales. It was the directorial debut of Star Wars art director Roger Christian. The film negative was thought to be lost until it was rediscovered in December 2011. In June 2015, it was announced that Christian was working on a feature film adaptation of Black Angel, which would be in part funded on crowdfunding site, Indiegogo.
The film was shot at Eilean Donan in Scotland in autumn 1979. The budget of 25,000 was given to Roger Christian by an Eady Scheme fund from the UK government.George Lucas tied the film as a programme with The Empire Strikes Back in the United Kingdom, Australia, and Scandinavia. It was never released on any home media, such as VHS and DVD, and for many years the original negatives were believed to be lost. ........
Source: Wikipedia