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Astronomische Nachrichten in correspondent 
letter in document-type 
1840-1849 in date 
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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