Search: Herschel, John in correspondent 
Pritchard, Charles in correspondent 
1860-1869::1860 in date 
Sorted by:

Showing 1–3 of 3 items

Herschel4540

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[23 June 1860]
Source of text:
RS:HS 14.80
Summary:

Asks JH's opinion on CP's eclipse observations plans, especially on which equipment to use. Intends to use a 'diagonal solar eyepiece' during the eclipse. Plans to observe carefully and to sketch solar flares.

Contributor:
John Herschel Project

Herschel4541

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[28 July 1860]
Source of text:
RS:HS 14.81
Summary:

Sends observations of eclipse; asks JH to check accuracy. Details observations with diagonal solar eyepiece. Describes solar corona and lists bright stars visible during totality.

Contributor:
John Herschel Project

Herschel4517

From:
Charles Pritchard
To:
Sir John Herschel
Date:
31 July [1860?]
Source of text:
RS:HS 14.110
Summary:

Problems making actinometer observations during solar eclipse. Reports he did not observe the supposed planet Vulcan, but a fixed star. Sends micrometer observations. Describes shape of prominences.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available