Search: Herschel, John in correspondent 
John Herschel Project in contributor 
letter in document-type 
1840-1849::1843::06 in date 
Smyth, William Henry in addressee 
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From:
Sir John Herschel
To:
William Henry Smyth
Date:
[10 June 1843]
Source of text:
RS:HS 22.156
Summary:

Will review all Gamma Virginis observations before revising orbit. Catalogue of major nebulae complete; will work on minor nebulae next.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[16 June 1843]
Source of text:
RS:HS 22.157
Summary:

Sends JH's 1817 observations; cannot locate any he made in 1811. Tells WS Gamma Virginis measurements will take more time.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[29 June 1843]
Source of text:
RS:HS 22.160
Summary:

Reaches conclusion about Gamma Virginis. States in regard to shape of orbit, 'We are all wrong.' Believes the orbit is less than 150 years. Claims that many errors exist in British measurements made between 1829 and 1834.

Contributor:
John Herschel Project