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Rigaud, Stephen Peter in correspondent 
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From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[26 February 1824]
Source of text:
RS:HS 14.336
Summary:

Cannot find observation of comet of 1759 in [James] Bradley's papers. Discusses eighteenth-century astronomical observations. Can send JH particulars if he wants them.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[18 March 1829]
Source of text:
RS:HS 14.337
Summary:

Has found information regarding [James] Bradley's observation of 1759 comet [see SR's 1824-2-26]. Will send copies if JH wants them. Discusses [James] South's concern for Bradley's observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[25 March 1829]
Source of text:
Bodleian Library, Oxford (C: RS:HS 21.44)
Summary:

Thanks SR for letter announcing SR's discovery of observation of comet of 1759 [see SR's 1829-3-18]. Asks SR to communicate information directly to [F. W.] Bessel. Will keep SR's letter confidential.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[26 May 1829]
Source of text:
RS:HS 14.338
Summary:

Releases JH from silence. Oxford University will publish portions of [James Bradley's] observations of comet of 1759 [see SR's 1829-3-18, 1829-3-25]. Never expected SR would trace and recover them.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[6 September 1830]
Source of text:
RS:HS 14.339
Summary:

Discusses [James] Bradley's observations of double stars. Asks JH for assistance.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[7 September 1830]
Source of text:
Bodleian Library, Oxford
Summary:

[Responding to SR's 1830-9-6], provides information on James Bradley's observation; also notes a 'striking' anomaly in observation. Mentions study JH is doing on the Castor star system and JH's observations of Uranus's two moons.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[8 September 1830]
Source of text:
RS:HS 14.340
Summary:

Thanks JH for letter [see SR's 1830-9-6]. Discusses publication of [James] Bradley's observations. Congratulates JH on confirming satellites of Uranus seen by William Herschel.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[21 September 1830]
Source of text:
RS:HS 14.341
Summary:

Discusses [James] Bradley's observations and possibility of double stars [see SR's 1830-9-6]. Seems no double stars are readily apparent. Discusses another experiment.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[24 October 1830]
Source of text:
Bodleian Library, Oxford
Summary:

Apologizes that JH has been to busy to study James Bradley's observations of double stars sent by SR. Has been busy writing on another subject.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[30 October 1830]
Source of text:
RS:HS 14.342
Summary:

Discusses eighteenth-century observations from Greenwich. Describes curious observations of stars in Gamma Virginis and Polaris.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[8 April 1831]
Source of text:
Bodleian Library, Oxford (ACCS: RS:HS 25.2.2)
Summary:

Has now studied James Bradley's observations of the Castor double star system and found them very valuable. Please send Bradley's observations regarding Gamma Virginis. What is best method of returning Bradley's observations to SR?

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[13 April 1831]
Source of text:
RS:HS 14.343
Summary:

Received packet from JH. Will attend meeting at Greenwich in June. Describes [James] Bradley's observations of stars in Gamma Virginis.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[15 August 1831]
Source of text:
Bodleian Library, Oxford (ACCS: RS:HS 25.2.14)
Summary:

Has correlated James Bradley's observations of the Castor and the Gamma Virginis double stars systems, which observations SR sent to JH, with later observations. Agreement is excellent. JH lays out elements of orbits for each system.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[25 February 1832]
Source of text:
Bodleian Library, Oxford (C: RS:HS 21.101)
Summary:

Asks SR to vote for [William Hodge] Mill for the new Boden Professorship of Oriental Literature at Oxford. Thanks SR for gift of SR's book on James Bradley.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[1 March 1832]
Source of text:
RS:HS 14.344
Summary:

Thanks JH for paper on micrometrical measurement of double stars. Has already promised to vote for someone else for Boden Professorship [see JH's 1832-2-25].

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[2 February 1833]
Source of text:
RS:HS 14.345
Summary:

Sends paper for Philosophical Magazine with reference to JH's communication in the last issue. JH may annex comments, unless he will cut SR 'to pieces.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[17 July 1837]
Source of text:
Bodleian Library, Oxford
Summary:

Gives altered directions for making meteorological observations to be sent to the South African Literary and Philosophical Institution.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[1837-9]
Source of text:
Bodleian Library, Oxford
Summary:

Thanks for meteorological observations sent by SR. Discusses other meteorological observations JH has been receiving. Will soon be returning to England.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[22 June 1838]
Source of text:
RS:HS 14.346
Summary:

Asks JH to come to Oxford to receive honorary degree of D.C.L. Invites Herschels to Oxford Observatory.

Contributor:
John Herschel Project