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Herschel, John in correspondent 
Olbers, Heinrich Wilhelm Matthias in correspondent 
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From:
Sir John Herschel
To:
Heinrich Wilhelm Matthias Olbers
Date:
[1820-1]
Source of text:
RS:HS 19.9
Summary:

Announces new Astronomical Society. Invites WO to become associate.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Heinrich Wilhelm Matthias Olbers
Date:
[9 February 1821]
Source of text:
RS:HS 19.9
Summary:

HO was elected associate of Astronomical Society. Prize for 1821 relates to Saturn's satellites.

Contributor:
John Herschel Project
From:
Heinrich Wilhelm Matthias Olbers
To:
Sir John Herschel
Date:
[11 March 1821]
Source of text:
RS:HS 13.174
Summary:

Honored on being elected Foreign Member of the Astronomical Society of London. Finds that the comet he observed in January had already been seen by J. N. Nicollet and J. L. Pons. Saw the remarkable appearance on the dark part of the moon noticed by Henry Kater. Thinks Kater's theory is wrong. Will soon be bringing out a paper on the moon's volcanoes.

Contributor:
John Herschel Project
From:
Heinrich Wilhelm Matthias Olbers
To:
Sir John Herschel
Date:
[28 December 1827]
Source of text:
RS:HS 13.175
Summary:

Discusses comet observations, together with variations from different observers. HO offers some historical fragments about the planet Venus, and about the Lilienthal telescope.

Contributor:
John Herschel Project
From:
Heinrich Wilhelm Matthias Olbers
To:
Sir John Herschel
Date:
[28 December 1827]
Source of text:
RS:HS 13.176
Summary:

Comments on the observations JH has made with his 20-foot telescope, especially nebulae. HO provides some of his own observational data of Comet Encke.

Contributor:
John Herschel Project
From:
Heinrich Wilhelm Matthias Olbers
To:
Sir John Herschel
Date:
[7 July 1829]
Source of text:
RS:HS 13.177
Summary:

About JH's work in reducing the observations of many nebulae. WO also speaks about JH's aunt Caroline.

Contributor:
John Herschel Project
From:
Heinrich Wilhelm Matthias Olbers
To:
Sir John Herschel
Date:
[29 November 1832]
Source of text:
RS:HS 13.178
Summary:

Reports the elements of a comet's orbit [Biela's ?] based on the observations of F. B. G. Nicolai of Mannheim. Based on these observations together with some made by F. W. Bessel, WO gives the locations for the comet during the coming month. Also comments on astronomical observations made elsewhere.

Contributor:
John Herschel Project
From:
Heinrich Wilhelm Matthias Olbers
To:
Sir John Herschel
Date:
[23 July 1838]
Source of text:
RS:HS 13.180
Summary:

Is making arrangements for JH's visit to WO, during a continental tour by JH.

Contributor:
John Herschel Project