Search: Herschel, John in correspondent 
1840-1849::1843 in date 
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Herschel4026

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[8 March 1843]
Source of text:
TxU:H/L-0588.4; Reel 1058
Summary:

Wishes CH a happy 93rd birthday. Occupied with remodelling the Southern Constellations, which 'are all in confusion;' admits that not everyone will be satisfied with his constellation reforms.

Contributor:
John Herschel Project

Herschel4063

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[9 May 1843]
Source of text:
RS:HS 16.268
Summary:

Sends comet observations from W. S. Jacob. Obtains 'another excellent epoch of Gamma Virginis.'

Contributor:
John Herschel Project

Herschel407

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 July 1843]
Source of text:
RGO 6.193.203
Summary:

Finds GA's measurements of Gamma Virginis far away from JH's own, and instructs GA in the best way to measure double star positions.

Contributor:
John Herschel Project

Herschel4102

From:
William Keleher
To:
Sir John Herschel
Date:
[1843-6]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Proposed travel arrangements for JH.

Contributor:
John Herschel Project

Herschel4216

From:
George Booth Tyndale
To:
Sir John Herschel
Date:
[26 August 1843]
Source of text:
RS:HS 17.453
Summary:

Congratulates JH on his election as Trustee of the British Museum.

Contributor:
John Herschel Project

Herschel4242

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[4 December 1843]
Source of text:
RS:HS 16.275
Summary:

Thomas Henderson discovered a comet on 2 December. Thanks JH for diagram of JH's comet-sweeping telescope.

Contributor:
John Herschel Project

Herschel4246

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[18 July 1843]
Source of text:
RS:HS 22.163
Summary:

Devises and suggests mode of micrometric measurement of angles.

Contributor:
John Herschel Project

Herschel4252

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[11 July 1843]
Source of text:
RS:HS 16.272
Summary:

Pleased with JH's Gamma Virginis results. Mr. Visconti made head of Military Geographical Institute at Naples.

Contributor:
John Herschel Project

Herschel4254

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[29 June 1843]
Source of text:
RS:HS 22.160
Summary:

Reaches conclusion about Gamma Virginis. States in regard to shape of orbit, 'We are all wrong.' Believes the orbit is less than 150 years. Claims that many errors exist in British measurements made between 1829 and 1834.

Contributor:
John Herschel Project

Herschel4265

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[9 July 1843]
Source of text:
RS:HS 22.161
Summary:

Sends calculations of Gamma Virginis and determines its eccentricity. Believes the orbit is highly elongated, like that of a comet.

Contributor:
John Herschel Project

Herschel4273

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[15 May 1843]
Source of text:
RS:HS 16.269
Summary:

Francis Beaufort to publish comet information; also wants JH's opinion as to what data should be sent to Cape Observatory. James South will lecture at Royal Institution. South's requests for several historical astronomical instruments refused.

Contributor:
John Herschel Project

Herschel4274

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[6 June 1843]
Source of text:
RS:HS 16.270
Summary:

Requests copy of JH's observations made in 1811. Asks latest opinion of JH on Gamma Virginis before the publication of his Cycle of Celestial Objects for the Use of Naval, Military, and Private Astronomers.

Contributor:
John Herschel Project

Herschel4275

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[16 June 1843]
Source of text:
RS:HS 22.157
Summary:

Sends JH's 1817 observations; cannot locate any he made in 1811. Tells WS Gamma Virginis measurements will take more time.

Contributor:
John Herschel Project

Herschel4276

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[2 July 1843]
Source of text:
RS:HS 16.271
Summary:

Agrees with JH opinions of Gamma Virginis orbit. Sends JH a drawing by C. P. Smyth of Halley's Comet.

Contributor:
John Herschel Project

Herschel4323

From:
Jonathan Pereira
To:
Sir John Herschel
Date:
[28 August 1843]
Source of text:
RS:HS 14.156
Summary:

Sends diagrams of woodcuts representing planes of polarization. Chooses not to publish chemistry lectures. Asks JH's opinion of a failed polarized light experiment.

Contributor:
John Herschel Project

Herschel4335

From:
Richard Taylor
To:
Sir John Herschel
Date:
[5 June 1843]
Source of text:
RS:HS 17.342
Summary:

Decides not to print G. Reichenbach's papers on JH's advice. Will consider Reichenbach's papers in the future.

Contributor:
John Herschel Project

Herschel4338

From:
Richard Taylor
To:
Sir John Herschel
Date:
[2 February 1843]
Source of text:
RS:HS 17.341
Summary:

Has 50 copies of JH's paper ['On the Action of the Rays of the Solar Spectrum on the Daguerreotype Plate'] for P.M. printed exclusively for JH. Asks opinion of papers for next issue of Scientific Memoirs.

Contributor:
John Herschel Project

Herschel4344

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[21 November 1843]
Source of text:
RS:HS 22.170
Summary:

Sends diagram of the 'little sweeper,' which is now at Hanover with 94-year-old Caroline Herschel.

Contributor:
John Herschel Project

Herschel4406

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[10 June 1843]
Source of text:
RS:HS 22.156
Summary:

Will review all Gamma Virginis observations before revising orbit. Catalogue of major nebulae complete; will work on minor nebulae next.

Contributor:
John Herschel Project

Herschel4490

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[8 September 1843]
Source of text:
RS:HS 22.167
Summary:

Offers condolences to Ann Smyth. WS's calculation of Gamma Virginis orbit surprises JH. Concerned about accurate methods of calculation. Remarks on excavation of Chelsea mammoth.

Contributor:
John Herschel Project
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