Skip to main content

Observations of solar spots, 1851 - 1860

Reference Code: GBR/0180/RGO 6/799

Scope and Contents

Drawings of the Sun for 4 October 1851 - 10 April 1860, showing sunspots, with positions of axis and equator, and usually also the Earth's longitude and position of ecliptic. The drawings of 1860 are delineated 'with a view to detecting Lescarbault's planet', with a note that nothing unusual was visible on the Sun's disc on 2 April 1860. There is a letter at the beginning from Airy to Robert Main, 29 January 1852, on procedure for observations.


  • Creation: 1851 - 1860


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 Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 volume(s) (1 volume)

Language of Materials


Former / Other Reference


Finding aid date

2006-01-06 11:59:01+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom