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Schur, Wilhelm in correspondent 
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Herschel, John in addressee 
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From:
Wilhelm Schur
To:
Sir John Herschel
Date:
[25 April 1869]
Source of text:
RS:HS 17.180
Summary:

Is happy that his discovery of 70 Ophiuchi was included in JH's catalogue of double stars. Thanks for correction on a logarithm of the focal point equation; intends to change this in Astronomische Nachrichten.

Contributor:
John Herschel Project
Document type
Transcription available