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The Royal Society: Science in the Making

Letter, from Norman Pogson to Sir John Herschel, dated at Hartwell, Aylesbury

Reference number: HS/14/4

Date: 15 April 1860

Description

Autograph letter signed by sender. Has heard that John Frederick William Herschel's son [Alexander] is observing variable stars at Charles Pritchard's school. Gives latest data on these stars. Suggests other variables to observe. Has adopted John Frederick William Herschel's proposal of using Julian day numbers for dating variables in his catalogue of variables.

Reference number
HS/14/4
Earliest possible date
15 April 1860
Page extent
6 pages
Format
Manuscript
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Creator name

Norman Robert Pogson

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Citation

Norman Robert Pogson, Letter, from Norman Pogson to Sir John Herschel, dated at Hartwell, Aylesbury, 15 April 1860, HS/14/4, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_14_4/letter-from-norman-pogson-to-sir-john-herschel-dated-at-hartwell-aylesbury, accessed on 17 March 2026

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https://makingscience.royalsociety.org/items/hs_14_4/letter-from-norman-pogson-to-sir-john-herschel-dated-at-hartwell-aylesbury

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  • Herschel Letters

    This collection of nearly 10,900 letters, drafts, copies and notes is the largest repository of scientific correspondence from and to Sir John Herschel, leading figure of Victorian science.

    Dates: 1807 - 1875

    View collection