Search: Herschel, John in correspondent 
Smyth, William Henry in correspondent 
1830-1839 in date 
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From:
Sir John Herschel
To:
William Henry Smyth
Date:
[27 May 1830]
Source of text:
APS B.Sm98.5 (C: RS:HS 21.70)
Summary:

Thanks WS for excerpt from Niccolo Cacciatore's letter; comments on the awarding of medals for merit, and points out some necessary conditions which must be considered if the observations of the satellites of Jupiter are to be used in determining the constant of aberration.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[25 June 1830]
Source of text:
RS:HS 16.243
Summary:

Has difficulty observing sun spots. Thomas Maclear sends WS information for next year's occultation of Alpha Tauri. Completes rotating roof for personal observatory.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[8 August 1830]
Source of text:
APS B.Sm98.6 (C: RS:HS 21.73)
Summary:

Advises WS on best ways to make a 'darkening glass' for solar observations. Also suggests method for delineating sunspots. Hopes WS will attend Nautical Almanac meeting and support his points. Completes two telescope mirrors and observes Uranian satellites. Asks WS to look for a double star between Beta1 and Beta2 Capricorni.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[6 September 1830]
Source of text:
APS B.Sm98.7 (C: RS:HS 21.75)
Summary:

Discusses WS's observations of double stars and method of averaging positional determinations. Believes he has verified the two Uranian satellites observed by William Herschel.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[1831]
Source of text:
APS B.Sm98.10
Summary:

Recommends WS pay attention to planetary nebulae, solid clusters, and double stars in his observations. JH lists some of each.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
1831
Source of text:
WT 91800.1
Summary:

Wants WS to make a choice between the several skeleton forms JH has devised for recording astronomical observations. Also comments on orbit of Gamma Virginis and 30 Scorpii, as well as Encke's Comet.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[7 June 1831]
Source of text:
TxU:H/M-0490.1; Reel 1093
Summary:

Prof. Barlow's paper on 'fluid refractor' leaves WS doubting JH's report of Beta Capricorni.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[11 June 1831]
Source of text:
APS B.Sm98.8 (C: RS:HS 21.85)
Summary:

Sends double star observations and periods. Asks WS if he has met W. R. Dawes. JH believes JH's eyes to be lacking in light sensitivity.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[9 August 1831]
Source of text:
APS B.Sm98.9 (C: RS:HS 21.87)
Summary:

Notes that 36 Ophiuchi and 30 Scorpii have parallel proper motion; believes that James South overestimates the importance of this fact. Suggests double stars for WHS to observe.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[16 October 1831]
Source of text:
RS:HS 21.91
Summary:

Sends data concerning double stars and new form for making observations of them.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[23 October 1831]
Source of text:
RS:HS 16.244
Summary:

Pleased that JH has received knighthood. Observes Alpha1 Capricorni in attempts to see a double star. Thanks JH for double star observation outlines; asks for a 'large supply' of them.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[6 May 1832]
Source of text:
RS:HS 16.245
Summary:

Will observe transit [of Mercury] hoping it will provide good meridian data. Encloses sketch of telescope in Bedford.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[22 May 1832]
Source of text:
RS:HS 16.246
Summary:

Sends Gamma Virginis observations. Devotes time to nautical astronomy; experiments with formulae for calculating occultations. Takes interest in eclipse of Jovian satellites.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[23 May 1832]
Source of text:
RS:HS 21.109
Summary:

Sends observations of Gamma Virginis, which differ from those of WS and James South. Observed transit of Mercury. Has abandoned plans of going to Cape of Good Hope this year. Plans to visit Caroline Herschel in Hanover.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[17 July 1832]
Source of text:
APS B.Sm98.11 (C: RS:HS 21.114)
Summary:

Returned from Hanover visit. Observed the star WS had discovered between 36 Ophiuchi and 30 Scorpii. Requests WS to observe a nebula in which JH has spotted a triple star. H. C. Schumacher is recovering from illness, while H. W. M. Olbers is very ill and not expected to recover.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[3 September 1832]
Source of text:
RS:HS 16.247
Summary:

Sends micrometer observations of stars suggested by JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[25 September 1832]
Source of text:
APS B.Sm98.12 (C: RS:HS 21.116)
Summary:

Sends positions of Biela's Comet. Has much success with repolished telescope mirrors and collimator. Designs equatorial revolving roof for Cape observations; sends sketches. Compares WS's, W. R. Dawes's, and JH's observations of Gamma Virginis.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[28 September 1832]
Source of text:
RS:HS 16.248
Summary:

Unable to spot Biela's Comet. Outstanding observing conditions allow WS to sight normally difficult objects. Makes suggestions concerning JH's rotating roof plans.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[4 November 1832]
Source of text:
WT 91800.2
Summary:

As no one seemed to be finding Biela's Comet, JH sat up several nights looking for it and now has located it.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[25 December 1832]
Source of text:
RS:HS 16.249
Summary:

Sights bright patch on moon; asks JH to confirm the observation.

Contributor:
John Herschel Project