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1830-1839::1835 in date 
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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

Herschel3904

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

Found two planetary nebulae not listed in any catalog; hopes to show them to JH tonight.

Contributor:
John Herschel Project

Herschel3905

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-3-7 or 8]
Source of text:
unknown
Summary:

Apologizes for his erroneous reduction. Thanks TM for his list of 'Zenith points.'

Contributor:
John Herschel Project

Herschel3906

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

William Whewell asked JH to compare their June tidal observations with those of the British Admiralty; JH will urge John Deas Thompson to be extra precise in his findings.

Contributor:
John Herschel Project

Herschel3909

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

Attempting to correct the faulty tidal and meteorological observations that JH made earlier in the week.

Contributor:
John Herschel Project

Herschel3910

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

Busy interpolating the Simon's Bay tidal series; JH then intends to study Table Bay and to compare the results. Asked William Whewell to back an application to the British Admiralty for a tide clock to be erected at Simon's Bay as a permanent tide station.

Contributor:
John Herschel Project

Herschel3911

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

Describes his comparison of the tidal series at Simon's Bay and Table Bay. Sending his barometer to TM.

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

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

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

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

Herschel3977

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[22 February 1835]
Source of text:
TxU:H/L-0580.1.a; Reel 1058
Summary:

JH describes his sweeps of Scorpio. Writes that the Milky Way is 'extremely curious and interesting.' Has collected a large catalog of southern nebulae, many never before detected. JH's search for Halley's Comet has been unsuccessful thus far.

Contributor:
John Herschel Project

Herschel3979

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[24 October 1835]
Source of text:
TxU:H/L-0580.3.a; Reel 1058
Summary:

Applauds CH elected an [honorary] member of the R.A.S. Missed seeing Halley's Comet and Johann Encke's comet; Thomas Maclear, however, viewed Encke's three times. Has studied nearly the entire Southern sky.

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

Herschel4475

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[10 May 1835]
Source of text:
RS:HS 21.175
Summary:

C. P. Smyth appointment as assistant to Thomas Maclear pleases JH. Suggests method of determining right ascension of double stars with collimating telescope. Sends brochure proposing worldwide meteorological observations.

Contributor:
John Herschel Project

Herschel4499

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[26 October 1835]
Source of text:
RS:HS 21.195
Summary:

C. P. Smyth arrived at Cape on 10 October; Thomas Maclear seems pleased with his work. Asks WS to continue observing Gamma Virginis; JH has observed it only as a single star in recent attempts. Thanks WS for distributing meteorological brochures. George Eden visits and will send meteorological observations from India.

Contributor:
John Herschel Project

Herschel53

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 February 1835]
Source of text:
RGO 6.368.596 (C: RS:HS 25.4.7)
Summary:

Describes the tests and adjustments JH has recommended to Thomas Maclear to try to remove anomalies from the functioning of the transit circle at the Royal Observatory, Cape of Good Hope; also comments on the beauty of some southern nebulae.

Contributor:
John Herschel Project
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