Search: 1830-1839::1836::03 in date 
No in transcription-available 
Maclear, Thomas in addressee 
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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

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

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

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

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

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
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