Astronomical systems
Subject
Subject Source: UK Archival Thesaurus
Found in 1 Collection or Record:
Series
Equatorial Telescope Records: 13, 26 and 28-inch Refractors and 30 and 36-inch Reflectors, 1891 - 1982
Series
Reference Code: GBR/0180/RGO 163
Scope and Contents
Telescope records for the following instruments at Royal Observatory at Greenwich and Herstmonceux: the 13, 26 and 28-inch Refractors and the 30 and 36-inch Reflectors. The 13-inch Astrographic Refractor was commissioned specifically for the Carte du Ciel. Photography for the project began at Greenwich in 1892 and took 13 years. The precise positions of 179,000 stars were measured from the 1153 photographic plates exposed on the 13-inch refractor. The 26-inch Refractor was...
Dates:
1891 - 1982
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).