The Sky at Night the 55 years of Moore's tenure that he did not host the programme. Brian May, the Queen guitarist and astrophysicist, has been a guest on the show from time to time. On 1 April 2007, Moore presented the 50th Anniversary edition of the show, a special "time travel" edition which included the appearance of Jon Culshaw as Moore's younger self. The 50th anniversary programme was filmed at Teddington Studios as the 1957 home of the programme, Lime Grove Studios, had been demolished in 1992. On 6 March 2011, Moore presented the 700th edition of the show, a special retrospective episode
Patrick Moore of "The Sky at Night", in September 1961, Moore's attempt to be the first to broadcast a live direct telescopic view of a planet resulted in another unintended 'comedy episode', as cloud obscured the sky. In 1965, he was appointed director of the newly constructed Armagh Planetarium in Northern Ireland, a post he held until 1968. His stay outside England was short partly because of the beginning of The Troubles, a dispute Moore wanted no involvement in. He was appointed Armagh County secretary of the Scout movement, but resigned after being informed that Catholics could not be admitted. In developing