From:
Robert Main
To:
Sir John Herschel
Date:
[21 September 1868]
Source of text:
RS:HS 12.280
Summary:
Comments on double star observations and some papers on the subject.
Contributor:
John Herschel Project
Showing 1–4 of 4 items
Comments on double star observations and some papers on the subject.
About the location of several different sets of double star observations.
Thanks RM for the double star observations he has sent.
Sends RM a copy of Angelo Secchi's double star observations pointing to a very large number of calculation errors.