Search: Herschel, John in correspondent 
Encke, Johann Franz in correspondent 
1830-1839 in date 
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Herschel9333

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

Herschel9334

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[19 March 1830]
Source of text:
RS:HS 7.88 & 21.63
Summary:

Thanks for his letter, which had been forwarded to his old address. Is pleased he intends working on double stars, though 70 Ophiuchi may prove difficult. Will send some of his own readings for double stars. Like him, he is astonished at the acrimony of the attack on Thomas Young and the Nautical Almanac.

Contributor:
John Herschel Project

Herschel9335

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

Herschel8595

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[25 October 1833]
Source of text:
AdWDDR Encke 49
Summary:

Hopes JE will write to JH at Cape. Responds to JE's comments on JH's method of dealing with double stars. Thanks for generous comments on JH's Prelim. Discourse.

Contributor:
John Herschel Project

Herschel9336

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

Herschel8596

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[17 January 1837]
Source of text:
AdWDDR Encke 49 (C: RS:HS 25.5.5)
Summary:

Tried unsuccessfully to observe Encke's Comet; succeeded in observing Halley's Comet, which JH discusses. Mentions JH's graphical method of treating orbits of double stars, JH's plans to return to England, moon maps, and sunspots.

Contributor:
John Herschel Project

Herschel9337

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

Herschel8597

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[24 March 1839]
Source of text:
AdWDDR Encke 49
Summary:

Asks JE to express JH's gratitude to the Royal Academy of Berlin for electing JH a foreign member. Discusses JE's observations of divisions in the ring of Saturn, JH's sightings of Saturn's satellites, the British Antarctic expedition, and comets.

Contributor:
John Herschel Project

Herschel8598

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[18 June 1839]
Source of text:
AdWDDR Encke 49
Summary:

Asks if JE or the Academy of Sciences wish to participate in the British plan to make worldwide magnetic observations.

Contributor:
John Herschel Project
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