Tabulated data from Dearborn: Right Ascensions from the 18 1/2-inch Refractor, 1930 - 1931
Scope and Contents
Records for the 1930-1931 parallax programme of the Royal Observatory Greenwich and Cape Observatory to determine the solar parallax (distance to the Sun) by observations of the minor planet Eros and comparison stars.
The records comprise tabulated data sets based on photographic observations taken at Greenwich and at various international observatories (RGO 81/2-48), along with 20 volumes of micrometric measurements of photographic observations of Eros and comparison stars from the Cape Observatory and RO Greenwich (RGO 81/50-70). A set of contextualising notes and two printed texts by de Witt and Spencer Jones are catalogued at RGO 81/1 and RGO 81/49-50.
Dates
- Creation: 1930 - 1931
Creator
- From the Management Group: Royal Greenwich Observatory (Organization)
Conditions Governing Access
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).
Extent
1 folder(s) : Paper
Language of Materials
English
Finding aid date
2017-06-07 10:26:54+00:00
Subject
- Dearborn Observatory (Organization)
Repository Details
Part of the Cambridge University Library Repository
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