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Description

Copy of a letter. The research shows no particularly 'maculiferous' area on the sun, but William Selwyn may, as William Selwyn requested, present 'data' to the Royal Astronomical Society Has noticed two new spots on helioautographs on 20 and 27 April.

Reference number
HS/24/313
Earliest possible date
12 May 1870
Page extent
2 pages
Format
Manuscript

Creator name

John Frederick William Herschel

View page for John Frederick William Herschel

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Citation

John Frederick William Herschel, Copy letter, from Sir John Herschel to William Selwyn, dated at Collingwood, 12 May 1870, HS/24/313, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_24_313/copy-letter-from-sir-john-herschel-to-william-selwyn-dated-at-collingwood, accessed on 10 December 2025

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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