Search: Herschel, John in correspondent 
Herschel, Caroline Lucretia in correspondent 
1830-1839::1837 in date 
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Herschel3984

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[10 January 1837]
Source of text:
TxU:H/L-0582.1.a; Reel 1058
Summary:

Reports that he viewed Halley's Comet from 1836-1-25 to 1836-5-10. Now studying sunspots and solar radiation. Comments that the sun has more spots than JH previously thought. Has been busy during the December solstice determining the constant of solar radiation.

Contributor:
John Herschel Project

Herschel3834

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[30 March 1837]
Source of text:
unknown
Summary:

Experiencing 'a daily increase of pain and feebleness.'

Contributor:
John Herschel Project

Herschel3840

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[7 May 1837]
Source of text:
unknown
Summary:

Has decisively mapped Saturn's sixth satellite; doubts, however, that he will ever see the seventh. Asks CH to inform Friedrich Bessel of his observation.

Contributor:
John Herschel Project

Herschel3839

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[11 June 1837]
Source of text:
unknown
Summary:

Hopes that JH will receive Friedrich Bessel's paper called 'On the Influence of the Irregularities of the Earth on Geodetic Operations, and their Comparison with Astronomical Determinations.'

Contributor:
John Herschel Project

Herschel4023

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[7 September 1837]
Source of text:
TxU:H/L-0582.2.a; Reel 1058
Summary:

Eliminated plans to visit Rio de Janeiro on the Herschels' return home, which will enable them to visit Hanover. Notes that JH's rheumatism attacks have interfered with his observations. JH considers his sweeping work finished. Has sent to the R.S.L. the first six hours of JH's 'Southern Catalogue of Nebulae and Double Stars' along with the micrometric measures of 400 southern double stars made with the equatorial.

Contributor:
John Herschel Project

Herschel3841

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[16 November 1837]
Source of text:
unknown
Summary:

[Postscript to a letter by Margaret Herschel:] JH notes that he has finished the reduction of the first 9 hours in Right Ascension of his southern nebulae and double stars.

Contributor:
John Herschel Project
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