Search: Herschel, John in correspondent 
Maclear, Thomas in addressee 
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Showing 61–80 of 161 items

Herschel12837

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[20 February 1836]
Source of text:
TxU:H/L-0241; Reel 1054 (Cdraft: RS:HS 25.15.2)
Summary:

Having read John Burrow's book, JH proposes procedure for analyzing masses of data from [African] Expedition. Will volunteer to interpolate chronometer errors if TM will undertake computations.

Contributor:
John Herschel Project

Herschel12112

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[21 February 1836]
Source of text:
RS:HS 21.199
Summary:

About the principles whereby the nomenclature of the constellations might be reformed.

Contributor:
John Herschel Project

Herschel3923

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 March 1836]
Source of text:
unknown
Summary:

Comments concerning Francis Baily's book on John Flamsteed.

Contributor:
John Herschel Project

Herschel3794

From:
Sir John Herschel
To:
Thomas Maclear
Date:
4] March [1836
Source of text:
unknown
Summary:

Thanks TM for the right ascension reductions. Saw the comet [Halley's] last night, but it was dimmer than before.

Contributor:
John Herschel Project

Herschel12114

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-5 to 23]
Source of text:
RS:HS 21.201
Summary:

Has compared TM's observational measurements with those of the Brisbane catalogue, and finds TM's observations to be better; is working on a star photometer.

Contributor:
John Herschel Project

Herschel12115

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[5 March 1836]
Source of text:
RS:HS 21.203
Summary:

JH's observations of the comet [Halley's], together with comments on constellation nomenclature and stellar magnitudes.

Contributor:
John Herschel Project

Herschel3924

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1836-3-5/6
Source of text:
unknown
Summary:

Calculates the location of [Halley's] comet.

Contributor:
John Herschel Project

Herschel3925

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-10/11]
Source of text:
unknown
Summary:

Star within 20 seconds of the nucleus of the comet [Halley's].

Contributor:
John Herschel Project

Herschel12113

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-25 or 26]
Source of text:
RS:HS 21.200
Summary:

Has installed his astrometer to help judge star magnitudes; also makes a comparison of barometric observations with those of TM.

Contributor:
John Herschel Project

Herschel12116

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[31 March 1836]
Source of text:
RS:HS 21.204
Summary:

Sending some equipment back and forth, and some astrometer readings.

Contributor:
John Herschel Project

Herschel3926

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[2 April 1836]
Source of text:
unknown
Summary:

Arranges to have tea with TM tomorrow at the Royal Observatory.

Contributor:
John Herschel Project

Herschel12117

From:
Sir John Herschel
To:
Thomas Maclear
Date:
21] April [1836
Source of text:
RS:HS 21.205
Summary:

Sends observations of several more standard stars, and of the comet.

Contributor:
John Herschel Project

Herschel3927

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[10 May 1836]
Source of text:
C: RS:HS 21.206 inc
Summary:

Asks TM to accompany himself and Daniel Cloetes in hunting a leopard.

Contributor:
John Herschel Project

Herschel3928

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[24 May 1836]
Source of text:
unknown
Summary:

Does not want to compute precessions for each individual star.

Contributor:
John Herschel Project

Herschel4008

From:
Sir John Herschel
To:
Thomas Maclear
Date:
4] June [1836
Source of text:
unknown
Summary:

Thanks TM for restoring JH's micrometer.

Contributor:
John Herschel Project

Herschel4009

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-7?]
Source of text:
unknown
Summary:

Believes that JH and TM can compile a better comet catalog together than they could separately.

Contributor:
John Herschel Project

Herschel3929

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[19 July 1836]
Source of text:
unknown
Summary:

Notes a discrepancy in TM's latest observations and those of Thomas Brisbane.

Contributor:
John Herschel Project

Herschel3930

From:
Sir John Herschel
To:
Thomas Maclear
Date:
25] July [1836
Source of text:
unknown
Summary:

Congratulates TM on the birth of his son, George.

Contributor:
John Herschel Project

Herschel12120

From:
Sir John Herschel
To:
Thomas Maclear
Date:
22] August [1836
Source of text:
RS:HS 21.215
Summary:

A note along with a request from Niccolo Cacciatore for some observations that JH says he cannot make.

Contributor:
John Herschel Project

Herschel3931

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[26 August 1836]
Source of text:
unknown
Summary:

Inquires about a star not found in TM's list of comet stars. Believes that their comet collaboration is going well.

Contributor:
John Herschel Project
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