Search: Herschel, John in correspondent 
Schumacher, Heinrich Christian in correspondent 
Schumacher, Heinrich Christian in addressee 
Sorted by:

Showing 110 of 10 items

From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
1821-4
Source of text:
RS:HS 18.10f & 19.11
Summary:

HS was elected associate of Astronomical Society. This year's prize relates to theory of Saturn's satellites. Does HS plan to continue his table of apparent places of fixed stars?

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
1821-[8]
Source of text:
RS:HS 19.11
Summary:

JH willing to communicate with HS on worthwhile matters. Subscribes Astronomical Society to HS's Astronomische Nachrichten. Explains 'Prize Question.' Requests copy of F. W. Bessel's essay on fourth satellite of Saturn. Society resolved to print 'daily tables of 46 stars.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[20 December 1822]
Source of text:
DMC 695A.885.1117
Summary:

Requests that HS look for a shipment of a clock and send it on to J. J. Littrow, and inform the maker in London, Robert Molyneux, that HS has done this. JH sends along John Pond's catalogue of star position differences.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[20] October 1823
Source of text:
RS:HS 19.11
Summary:

Sends packet of books and papers for delivery to J. W. A. Pfaff, copy of JH's 'Essay on Physical Astronomy,' and JH's and James South's work on double stars. Promises to send biographical notice of William Herschel. Astronomical Society received HS's 'Schreiben en Dr. Olbers.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[15 January 1824]
Source of text:
RS:HS 19.11
Summary:

Orders missing issues of Astronomische Nachrichten. Answers HS's question about JH's essay on Physical Astronomy. James South's testimony 'vindicated' Josef Fraunhofer's repeating micrometer to Edward Troughton. C. F. Gauss's mode of determining powers of telescopes. Nothing heard of Captain [Maughan?]. Directions for sending [K. L.] 'Harding's atlas' to JH. Gives J. F. Daniell's address. Astronomical Society is gratified that HS dedicated book to it. Shall direct Robert Molyneux to send L. A. Fallon's clock to HS.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[24 February 1835]
Source of text:
RS:HS 25.4.8
Summary:

Describes JH's location at the Cape and his observational sweeps, lists nebulae and double stars, as well as comet and eclipse observations. [Letter finished on 1835-3-5.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[19 January 1839]
Source of text:
RS:HS 25.5.11
Summary:

Compares magnitudes for some specific stars and then comments more generally on that question; JH believes he will no longer be able to observe in winter in England as he is too severely afflicted by rheumatism.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[7 February 1839]
Source of text:
NSUB Cod.Ms.Gauss 110
Summary:

Sends HS's observations of magnetic declination and dip near London for forwarding to Carl F. Gauss. Encloses a letter from Edward Sabine.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[17 January 1841]
Source of text:
RS:HS 15.387 (C: RS:HS 22.77)
Summary:

Discusses a letter in which JH explains why JH cannot, as a British subject, accept the foreign order offered him [by the Danish king]. Asks HS to read over the letter and to decide how it should be delivered.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
1841-[12-25 or later
Source of text:
RS:HS 15.411 (C: RS:HS 22.101)
Summary:

JH replies (to RS:HS 15.389) that neither JH nor his father held that the moon influenced the atmosphere, though JH does connect a full moon with a clear sky. [Eliza] Hamilton, sister of W. R. Hamilton, has published some poetry that is not well known, but deserving. Cannot accept foreign order.

Contributor:
John Herschel Project