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Encke, Johann Franz in correspondent 
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From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[11 September 1824]
Source of text:
RS:HS 7.82
Summary:

Thanks for his election to the Astronomical Society and for the award of its gold medal. Sends a proof of a new chart of the moon by W. G. Lohrmann. Sends two papers of his own. Hopes to send notice of John Pond's comet orbit in 1825.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[22 October 1824]
Source of text:
RS:HS 7.83
Summary:

Finds no errors in JH's letter on the parallax of Mars. Sends his own calculations. Has not found the barometrical readings JH requested.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[2 March 1826]
Source of text:
RS:HS 7.84
Summary:

Berlin Academy plans a new Astronomical Chart. Thanks for JH's work on the double stars. Will see he has changed his address.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[30 May 1826]
Source of text:
TxU:H/M-0180; Reel 1087
Summary:

Will send JH some barometric observations; describes the barometers with which the observations were made.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[16 December 1826]
Source of text:
RS:HS 7.85
Summary:

Regrets he has taken so long to answer his letter. Gives reasons why the Commission does not allocate the same zone to two astronomers. Readings of J. Grooby and T. J. Hussey. Thanks for JH's work. J. E. Bode's work will be continued.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[8 June 1828]
Source of text:
RS:HS 7.86
Summary:

Sending the first volume of his Ephemerides for the Astronomical Society, also for Francis Baily and W. H. Smyth. Comments on various aspects of the Ephemerides. Thanks for JH's excellent work on Light.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[24 February 1830]
Source of text:
RS:HS 7.87
Summary:

Is carrying out a study of double stars, comments on some readings, and would welcome any of JH's observations. Is planning to build up the library commenced by J. E. Bode at the Observatory. The chart of T. J. Hussey is being engraved.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[8 September 1833]
Source of text:
RS:HS 7.89
Summary:

Has been informed that JH will be going to the Cape. Comments on JH's information on double stars, and on a passage in one of his memoirs. Regarding JH's Prelim Discourse. Work of Fearon Fallows and Thomas Henderson at the Cape.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[21 April 1835]
Source of text:
RS:HS 7.90
Summary:

Sending his observations of the recent comet. JH's journey has aroused great interest in Germany. Taking over the Observatory and expecting a visit from F. W. Bessel. Wilhelm Struve has planned a new observatory for St. Petersburg. Has met astronomer Manuel Johnson from St. Helena. C. F. Gauss has produced a method of observing the magnetic needle.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[9 March 1839]
Source of text:
RS:HS 7.91
Summary:

JH has been elected to the Prussian Academy of Science; comments on JE's astronomical observations.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[20 March 1840]
Source of text:
RS:HS 7.92
Summary:

Comments extensively on the orbits of recent comets.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[5 September 1840]
Source of text:
RS:HS 7.93
Summary:

Writing to try to set up a visit to JH.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[13 September 1840]
Source of text:
RS:HS 7.94
Summary:

Thanks for JH's hospitality; tells of JE's further travel plans.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[31 October 1840]
Source of text:
RS:HS 7.95
Summary:

About the calculations of JE, and others, on the motion of the solar system.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[22 September 1846]
Source of text:
RS:HS 7.96
Summary:

Asks for permission to look at R.S.L. letters from G. W. Leibniz to Henry Oldenburg; comments on dioptrics, and several astronomical topics.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[23 February 1847]
Source of text:
RS:HS 7.97
Summary:

Comments relating to G. W. Leibniz correspondence [see JE's 1846-9-22]; comments on naming the new planet Neptune.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[22 November 1847]
Source of text:
RAS:JH Archive 10/5.109; Reel 9
Summary:

The excellence of JH's Cape Results has humbled JE. Much of the letter is taken up with more in the same vein, citing specific examples.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[29 March 1850]
Source of text:
RS:HS 7.98
Summary:

Sends a book on optics; if JH likes it, then tell others about it. Comments on some aspects of JH's Outlines Astr.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[11 November 1858]
Source of text:
RS:HS 7.99
Summary:

On some of the elements of the orbit of a newly appearing comet.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[17 July 1859]
Source of text:
RS:HS 7.100
Summary:

Sends some invitations to participate in an Alexander von Humboldt Foundation.

Contributor:
John Herschel Project