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Herschel, John in correspondent 
Astronomische Nachrichten in correspondent 
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From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
1823
Source of text:
Astronomische Nachrichten, 1 (1823), 30-31
Summary:

Gives a formula related to a table published in the Nautical Almanac, which table listed various stellar observations made by John Pond.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
[15 August 1825]
Source of text:
Astronomische Nachrichten, 4 (1826), 231-6
Summary:

Writing in response to claims made by Josef Fraunhofer, discusses the relative merits of reflecting versus refracting telescopes. Adds comments on double star observations made by JH and James South.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
1832-11-20 to 1832-1
Source of text:
Astronomische Nachrichten, 10 (1833), 317-20
Summary:

Reports observations of Delta Cygni, 4 Aquarii, Alpha 2 Capricorni, and Biela's Comet.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
[24 February 1835]
Source of text:
Astronomische Nachrichten, 12 (1835), 273-6
Summary:

Reports erecting his telescopes at the Cape and on his observations, especially of double stars, during his first year there.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
16] December [1837
Source of text:
Astronomische Nachrichten, 15 (1838), 311-12
Summary:

Reports observations of the 'remarkable' increase in magnitude of the 'nebulous' star Eta Argus.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
[19 January 1838]
Source of text:
Astronomische Nachrichten, 16 (1839), 187-90
Summary:

Reports on his observations of the variable stars Eta Argus, Alpha Hydrae, and Alpha Cassiopeiae, and on the comparative brightness of the stars. Mentions that ill health is forcing him to curtail astronomical observing.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
1841-12
Source of text:
Astronomische Nachrichten, 19 (1842), 175-8
Summary:

Discusses the question of whether the position of the moon has an influence on weather and whether either JH or his father have made this claim.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
[16 November 1843]
Source of text:
Astronomische Nachrichten, 21 (1844), 199-202
Summary:

Reports observations of the comet of March 1843 [Great Comet of 1843] made from India by a Mr. Clerihew, who reported seeing a bifurcation of the comet's tail.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
[8 October 1844]
Source of text:
Astronomische Nachrichten, 22 (1845), 249-54
Summary:

Discusses critically a theory put forth by J. C. Houzeau on the 'effect of aberration arising from proper motion in changing the apparent orbits of double stars.'

Contributor:
John Herschel Project