Scope and Contents The papers of David Thomas cover the years 1956-1979. They include correspondence files, draft articles for publication, administrative papers, and a selection of digitised slides. The administrative papers date from Thomas’s time as Chairman of the RGO section of SRC branch of IPCS. They give an important insight into RGO staff concerns about the future of the organisation and of British Astronomy in general. Particularly significant are the files on the separation of the posts of...

Scope and Contents A set of press cuttings on the subjects of astronomy, the RGO, its move to Herstmonceux Castle and later to Cambridge, and its subsequent closure. Significant cuttings include coverage of the Moon landings (1968), the Space Race, the Apollo 13 disaster (1970), Halley's Comet (1986), images captured by the Hubble Space Telescope, Comet Shoemaker-Levi’s collision with Jupiter (1994), Comet Hale-Bopp (1997), and the Galileo mission to Jupiter.Early coverage is sporadic, with cuttings...

Scope and Contents This class consists of requests for astronomical information sent to the Royal Greenwich Observatory between 1968 and 1975. It includes letters from the public, both in the UK and worldwide. Both incoming letters and carbon copies of official responses are preserved, with replies generally signed by Humphry Smith or William (Bill) Nicholson who were joint Press Officers from 1968.The first nine files are letters from the UK, deemed ‘general’ or ‘special’, and each organised in...

Scope and Contents The Danjon Astrolabe is a highly specialised instrument developed in the 1950s for use as an alternative to conventional transit instruments, which had many sources of potential error. In July 1959, a Danjon astrolabe (OPL No.9) was brought into service at the RGO Herstmonceux under the direction of C. A. Murray, primarily in order to extend the study of its effectiveness in determining corrections to the catalogue positions of bright stars. Before commencing operations, the method of...

Scope and Contents A set of files relating to British expeditions to observe solar eclipses. The record is incomplete and mainly consists of notebooks and correspondence re equipment and supplies. Included are notebooks listing photographic plates for the solar eclipses of 1900, 1901, 1905, 1912 and 1914 [RGO 169/1], notebooks listing equipment for the 1905 and 1932 eclipses [RGO 169/2 and 5], and correspondence regarding preparations for the UK-based observation of the 1927 eclipse [RGO 169/4]. The 1940...