From:
Sir John Herschel
To:
George Biddell Airy
Date:
[15 May 1863]
Source of text:
TxU:H/M-0641.2; Reel 1084
Summary:
Explains how to detect errors in catalogued positions of stars. List of new nebulae in [G. F. J. A.] Auwers's catalogue.
Contributor:
John Herschel Project