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Olbers, Heinrich Wilhelm Matthias in correspondent 
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Herschel12319

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

Herschel12320

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
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