Farthings, Sir Patrick's home in Selsey in West Sussex, ran for years as an effective open house and science centre, with the observatory in the garden.
Costinel Mijloc, 24, of Highfield Road, Smethwick, was also imprisoned along with Stefanale Ruset, 19, of Kentish Road, Handsworth, and Ionut Cristian Toader, 24, of Selsey Road, Birmingham.