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1870-1879 in date 
Herschel, John in author 
Proctor, Richard Anthony in addressee 
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Showing 19 of 9 items

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[7 February 1870]
Source of text:
RS:HS 14.119
Summary:

Discusses various telescopes of his father and his father's [erroneous] announcement of his discovery of four additional satellites of Uranus.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[1 April 1870]
Source of text:
RS:HS 24.301
Summary:

Suggests reasons for doubting the distribution of bright stars that RP had reported. Responds to RP's query concerning a statement in Outlines Ast. Encourages RP's hypothesizing on star distribution.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[11 May 1870]
Source of text:
RS:HS 14.123 (C: RS:HS 24.312)
Summary:

Thanks RP for sending RP's Other Worlds than Ours and supplies comments, some favorable, on numerous claims made therein, e.g., on RP's theory that Jupiter and Saturn are hot and to some degree luminous.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[16 May 1870]
Source of text:
RS:HS 24.314
Summary:

Assures RP that he is not upset at RP for publicly questioning some of JH's ideas. Continues discussion of point in perturbation theory for Uranus.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[1 June 1870]
Source of text:
RS:HS 24.316
Summary:

Continues to explain matters in perturbation theory. Stresses need for careful observations in solar eclipses. Doubts the existence of the hypothetical intermercurial planet Vulcan.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[28 July 1870]
Source of text:
RS:HS 24.323
Summary:

Approves RP's method of preparing isographic projection charts of the distribution of bright stars, noting that JH's gauges of the southern stars are incomplete.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[2 February 1871]
Source of text:
RS:HS 24.351
Summary:

Thanks RP for sending RP's Sun. Suggests a theory that the solar corona, rather than originating in the earth's atmosphere, is produced by reflection from meteoric dust. Informs RP that he has completed a catalogue of all observations of double stars.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[7 February 1871]
Source of text:
RS:HS 24.352
Summary:

Replies to RP's objections to his theory of the solar corona. Informs RP that William Herschel's larger telescopes were used as front focus. Suggests explanation of his father's disconfirmed discovery of four additional Uranian moons.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[1 March 1871]
Source of text:
RS:HS 24.358
Summary:

Admits that recent heliographs of the corona favor the eruption theory over JH's meteoric theory. Notes that this raises question of the nature of the photosphere. Cites recent results showing link between sunspot formation and terrestrial magnetic disturbances.

Contributor:
John Herschel Project