From:
Sir John Herschel
To:
Robert Main
Date:
[19 September 1868]
Source of text:
RS:HS 24.227
Summary:
Thanks RM for the double star observations he has sent.
Contributor:
John Herschel Project
Showing 1–4 of 4 items
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.
Comments on double star observations and some papers on the subject.
About the location of several different sets of double star observations.