Search: 1860-1869 in date 
Main, Robert in addressee 
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Herschel12135

From:
Sir John Herschel
To:
Robert Main
Date:
[17 October 1861]
Source of text:
RS:HS 23.342
Summary:

Thanks for the receipt of the Radcliffe catalogue of stars, but wishes observations had been equatorial rather than circumpolar.

Contributor:
John Herschel Project

Herschel12136

From:
Sir John Herschel
To:
Robert Main
Date:
[25 October 1861]
Source of text:
RS:HS 23.344
Summary:

Suggests an observational program for RM's newly purchased transit circle [see RM's 1861-10-21].

Contributor:
John Herschel Project

Herschel12138

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

Herschel12139

From:
Sir John Herschel
To:
Robert Main
Date:
[29 September 1868]
Source of text:
RS:HS 24.229
Summary:

Sends RM a copy of Angelo Secchi's double star observations pointing to a very large number of calculation errors.

Contributor:
John Herschel Project

Herschel12140

From:
Sir John Herschel
To:
Robert Main
Date:
[24 November 1868]
Source of text:
RS:HS 24.240
Summary:

Seems to JH to be some systematic error in some of RM's observations; JH includes examples.

Contributor:
John Herschel Project

Herschel12141

From:
Sir John Herschel
To:
Robert Main
Date:
[30 January 1869]
Source of text:
RS:HS 24.248
Summary:

Thanks RM for his offer [see RM's 1869-1-26]; wishes astronomers would develop an accepted system of indicating the quality of observations.

Contributor:
John Herschel Project
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