From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[9 April 1825]
Source of text:
RS:HS 17.107
Summary:
Illegible.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Illegible.
Acknowledges receipt of WS's second volume of observations and the new telescope's results. Mentions Caroline Herschel's catalogue of nebulae.
Asks WS for account of the performance of his new [Josef] Fraunhofer telescope. Corroborates WS's double star motion data, except for 70 Ophiuchi, where JH and [James] South find no motion. Asks for observational targets and urges care in WS's observational technique. Mentions WS's intention to undertake celestial zone with [F. W.] Bessel. Describes [Henry] Kater's 'floating collimator.'