From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 February 1848]
Source of text:
RS:HS 1.194 (C: RGO 6.230.221)
Summary:
Concerning P. A. Hansen's observations of Lunar irregularities.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Concerning P. A. Hansen's observations of Lunar irregularities.
Has found that Orionus is a double star. Compares William Lassell's and Wilhelm Struve's observations of various stars.