Search: Herschel, John in correspondent 
1840-1849::1846::04 in date 
Smyth, William Henry in addressee 
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Herschel4533

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[16 April 1846]
Source of text:
RS:HS 22.269
Summary:

Believes Beta Ursae Minoris to be a slow variable star. Remarks on diminution of the star's brightness between 1840 and 1841.

Contributor:
John Herschel Project

Herschel3960

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[20 April 1846]
Source of text:
RS:HS 22.271
Summary:

Suggests method to check the effectiveness of James Dunlop's work at Paramatta Obsrvatory..

Contributor:
John Herschel Project
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