Unpublished paper, 'Researches on solar physics no. II. Account of some recent observations on sunspots made at the Kew Observatory [London]' by Warren de la Rue, Balfour Stewart and Benjamin Loewy
Reference number: AP/51/4
Date: 1868
Description
The authors, after reviewing briefly the two theories on the nature of sunspots, which are still subjects of dispute, state the reasons which have led them to believe that sunspots are cavities and at a lower level than the Sun's photosphere. Their opinion has been recently strengthened by observations of a sunspot on 7 May 1868, which in disappearing produced in two successive photograms indentations in the west limb. After proving by the measurements made, which, with the calculations, are appended to their paper, that there can be no doubt about the identity of the heliographical elements of the previously observed spot and the successive indentations, they prove from the established details of the phenomena of sunspots that such indentations must under all circumstances be very rare occurrences, and state fully the conditions favourable to the recurrence of similar observations, inviting observers to give their particular attention to them.
Note on front reads 'Voted on after the vol. for 1868 was bound.' and 'Archives Feb/72'.
Subject: Astronomy
Received 2 June 1868. Read 18 June 1868.
Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 16 of the Proceedings of the Royal Society as 'Account of some recent observation on Sun-spots, made at the Kew Observatory'.
- Reference number
- AP/51/4
- Earliest possible date
- 1868
- Physical description
- Ink and graphite pencil on paper
- Page extent
- 13 pages
- Format
- Manuscript
Creator names
Warren de la Rue
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Citation
Warren de la Rue, Balfour Stewart, Unpublished paper, 'Researches on solar physics no. II. Account of some recent observations on sunspots made at the Kew Observatory [London]' by Warren de la Rue, Balfour Stewart and Benjamin Loewy, 1868, AP/51/4, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_51_4/unpublished-paper-researches-on-solar-physics-no-ii-account-of-some-recent-observations-on-sunspots-made-at-the-kew-observatory-london-by-warren-de-la-rue-balfour-stewart-and-benjamin-loewy, accessed on 14 November 2024
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Related Publications
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VI. Account of some recent observation on Sun-spots, made at the Kew Observatory External link, opens in new tab.
Date: 31st December 1868
DOI: 10.1098/rspl.1867.0098
Related Records
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Supporting data, 'Heliographical positions' by [Warren] De La Rue, [Balfour] Stewart and [Benjamin] Loewy
Creator: Warren de la Rue, Balfour Stewart Reference number: AP/50/2 -
Referee's report by John Frederick William Herschel, on a paper 'Researches on solar physics - No. II. The positions and areas of the spots observed at Kew during the years 1864, 1865, 1866, also the spotted area the sun's visible disk from the commencement of 1832 up to May 1868' by Warren De La Rue, Balfour Stewart and Benjamin Loewy
Creator: John Frederick William Herschel Reference number: RR/7/27 -
Referee's report by William Thomson, Lord Kelvin on a paper 'Researches on solar physics - No. II. The positions and areas of the spots observed at Kew during the years 1864, 1865, 1866, also the spotted area the sun's visible disk from the commencement of 1832 up to May 1868' by Warren De La Rue, Balfour Stewart and Benjamin Loewy
Creator: William Thomson Reference number: RR/7/28 -
Unpublished paper, 'Researches on solar physics III' by Warren de la Rue, Balfour Stewart and Benjamin Loewy
Creator: Warren de la Rue, Balfour Stewart Reference number: AP/55/4
Hierarchy
This item is part of:
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Archived papers: volume 51, scientific papers submitted the Royal Society unpublished or abstracted, 1868-1869
1868-1869 Reference number: AP/51
Related Fellows
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Warren de la Rue
Author -
Balfour Stewart
Author
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Archived Papers
Dates: 1768-1989
The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.View collection