Search: Maclear, Thomas in addressee 
1830-1839::1835 in date 
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Showing 21–38 of 38 items

Herschel12103

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1] September [1835
Source of text:
RS:HS 21.183
Summary:

Believes that TM is the first to see the return of Halley's Comet [see TM's 1835-9-1].

Contributor:
John Herschel Project

Herschel12105

From:
Sir John Herschel
To:
Thomas Maclear
Date:
13] September [1835
Source of text:
RS:HS 21.185
Summary:

Sends information about where to look for Encke's comet.

Contributor:
John Herschel Project

Herschel12106

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-9-20 or 21]
Source of text:
RS:HS 21.186
Summary:

Has not had any success in finding comets.

Contributor:
John Herschel Project

Herschel12108

From:
Sir John Herschel
To:
Thomas Maclear
Date:
22] September [1835
Source of text:
RS:HS 21.190
Summary:

JH is chagrined to note that he forgot to observe the equinox, after having impressed on any and all the need to do so.

Contributor:
John Herschel Project

Herschel11853

From:
Sir John Herschel
To:
Thomas Maclear
Date:
26 September [1835]
Source of text:
RS:HS 12.212
Summary:

Found Encke's Comet the night before last. Has not had a chance to see Halley's Comet. Will JH come to the Observatory? There are no fleas.

Contributor:
John Herschel Project

Herschel11871

From:
Sir John Herschel
To:
Thomas Maclear
Date:
18 October [1835]
Source of text:
RS:HS 12.230
Summary:

Is glad JH has given his opinion to Francis Beaufort on the subject of observations of the first class. Encke's comet is invisible in the 14-ft. within the range of 10 degrees. Last two nights were very favorable. Has seen Encke's comet three times, and it appears just as he saw it in England.

Contributor:
John Herschel Project

Herschel12107

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[23 October 1835]
Source of text:
RS:HS 25.4.15 (C: RS:HS 21.189)
Summary:

Is intrigued by the apparent displacement of several planetary nebulae from the positions found in the catalogues of other observers. Does not know what to think.

Contributor:
John Herschel Project

Herschel3913

From:
Sir John Herschel
To:
Thomas Maclear
Date:
25] October [1835
Source of text:
unknown
Summary:

Discusses printing costs. Heard that Halley's Comet was seen with the naked eye in Cape Town; JH is excited about his own prospects of seeing the comet.

Contributor:
John Herschel Project

Herschel12104

From:
Sir John Herschel
To:
Thomas Maclear
Date:
26] October [1835
Source of text:
RS:HS 21.184
Summary:

Still struggling with the problems inherent in using the mural circle; the comet has apparently been seen by JH's mechanic, John Stone, prior to having been sighted by TM.

Contributor:
John Herschel Project

Herschel4006

From:
Sir John Herschel
To:
Thomas Maclear
Date:
26] October [1835
Source of text:
unknown
Summary:

Busy taking the means of TM's reduced star observations. Angry that John Stone and James Rance saw Halley's Comet and never told JH.

Contributor:
John Herschel Project

Herschel3914

From:
Sir John Herschel
To:
Thomas Maclear
Date:
27] October? [1835
Source of text:
unknown
Summary:

Warns that 'a share in a new planet is advertised and that those who will bid must be on the alert.'

Contributor:
John Herschel Project

Herschel3915

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[11 November 1835]
Source of text:
unknown
Summary:

Hopes that TM can explain the errors in JH's star reductions. Saw Halley's Comet last night; comments that 'its tail was again fine and head very bright.'

Contributor:
John Herschel Project

Herschel12109

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[13 November 1835]
Source of text:
RS:HS 21.191
Summary:

Asks TM to measure the position of some stars that are difficult for JH to observe.

Contributor:
John Herschel Project

Herschel3916

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[20 November 1835]
Source of text:
unknown
Summary:

In some places, Halley's Comet will be seen in or near its perihelion during the solar eclipse.

Contributor:
John Herschel Project

Herschel3792

From:
Sir John Herschel
To:
Thomas Maclear
Date:
21] November [1835
Source of text:
unknown
Summary:

Actinometer observations during the eclipse.

Contributor:
John Herschel Project

Herschel3917

From:
Sir John Herschel
To:
Thomas Maclear
Date:
15] December [1835
Source of text:
unknown
Summary:

Asks TM to come over and to select the trees for the Time Ball.

Contributor:
John Herschel Project

Herschel3918

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[16 December 1835]
Source of text:
unknown
Summary:

Asks TM to inquire of Captain F. W. Grey of the Jupiter about N. L. Lacaille's mural quadrant, which was supposedly aboard the ship two years ago.

Contributor:
John Herschel Project

Herschel3919

From:
Sir John Herschel
To:
Thomas Maclear
Date:
31] December [1835
Source of text:
unknown
Summary:

Is TM planning to go to Paarl?

Contributor:
John Herschel Project
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