From:
Edward Sabine
To:
Sir John Herschel
Date:
20 February [1840]
Source of text:
RS:HS 15.303
Summary:
Will send information from observatories where aurora are visible. Discusses occurrences at various observatories and a letter from [C.] Kreil to [A. T.] Kupffer regarding his observations.
Contributor:
John Herschel Project