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The Royal Society: Science in the Making

Diagrams of position for new Satellites of Uranus, by William Lassell

Reference number: HS/19/238

Date: 1851

Description

Calculated and observed positions of satellites of Saturn sketched by Lassell with their orientation West- East for 24 and 30 October 1851, in Lassell's hand.
Notes that positioning for the new satellites are given in relation to the two brightest known.
Part of these observations were included in the "Observations of the Satellites of Uranus, made with the 20-feet Equatoreal" by Lassell published in the Monthly Notices of the Royal Astronomical Society, Volume 12, Issue 5, March 1852, Pages 152–154. These were verbatim copied from Lassell's journal.
No correspondence between Sir John Herschel and William Lassell is known, but from a letter to George Biddell Airy, we know that Lassell wrote to Herschel in 1848 to report his discovery of the 8th satellite of Saturn.

Reference number
HS/19/238
Earliest possible date
1851
Physical description
Ink on paper
Page extent
1 p.
Format
Manuscript

Creator name

William Lassell

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Citation

William Lassell, Diagrams of position for new Satellites of Uranus, by William Lassell, 1851, HS/19/238, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_19_238/diagrams-of-position-for-new-satellites-of-uranus-by-william-lassell, accessed on 25 March 2025

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