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Herschel, John in correspondent 
1860-1869::1863::02::23 in date 
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Herschel7658

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 February 1863]
Source of text:
RAS:JH Archive 12/1.1.12; Reel 10
Summary:

Sends copy of G. F. J. A. von Auwers's catalog of JH's and William Herschel's nebulae. Observatory has another copy. Notes odd lines seen in 'Refraction Spectra of 11 stars.'

Contributor:
John Herschel Project

Herschel7661

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 February 1863]
Source of text:
RAS:JH Archive 12/1.1.15; Reel 10
Summary:

Refraction spectra of six stars exhibit lines corresponding with 'Solar Line F.'

Contributor:
John Herschel Project

Herschel7662

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 February 1863]
Source of text:
RAS:JH Archive 12/1.1.16; Reel 10
Summary:

Expect some errors in calculations of positions for JH's catalogue of nebulae. Suggestions on format.

Contributor:
John Herschel Project
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