Search: Herschel, John in correspondent 
Cooper, Edward Joshua in correspondent 
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1840-1849::1847 in date 
letter in document-type 
Herschel, John in author 
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From:
Sir John Herschel
To:
Edward Joshua Cooper
Date:
[20 September 1847]
Source of text:
RS:HS 22.327
Summary:

Comments on EC's observations of some nebulae and comets.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward Joshua Cooper
Date:
[7 November 1847]
Source of text:
RS:HS 22.333
Summary:

Talking about the possibility of discovering an 'Irish Asteroid' or perhaps an exterior planet; suggests names for them.

Contributor:
John Herschel Project