James South

James South

British astronomer.

- James South

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John Herschel

English polymath active as a mathematician, astronomer, chemist, inventor, experimental photographer who invented the blueprint, and did botanical work.

Drawing of John Herschel, published in 1846
A Calotype of a model of the lunar crater Copernicus, 1842
Disa cornuta (L.) Sw. by Margaret & John Herschel
Herschel's first glass-plate photograph, dated 9 September 1839, showing the mount of his father's 40-foot telescope
Portrait of John Herschel
1867 photograph by Julia Margaret Cameron
Margaret Brodie Stewart by Alfred Edward Chalon 1829
John Frederick William Herschel by Alfred Edward Chalon 1829
The adjoining tombs of John Herschel and Charles Darwin in Westminster Abbey.
Description of a machine for resolving by inspection certain important forms of transcendental equations, 1832

Between 1821 and 1823 he re-examined, with James South, the double stars catalogued by his father.

Royal Society

Learned society and the United Kingdom's national academy of sciences.

Coat of arms of the Royal Society
Entrance to the Royal Society at 6–9 Carlton House Terrace, London
John Evelyn, who helped to found the Royal Society.
Mace granted by Charles II.
Sir Isaac Newton FRS, President of Royal Society, 1703–1727. Newton was one of the earliest Fellows of the Royal Society, elected in 1672.
Lord Hardwicke, leader of the "Hardwicke Circle" that dominated society politics during the 1750s and '60s
Burlington House, where the Society was based between 1873 and 1967
The coat of arms of the Royal Society
J. J. Thomson was elected a Fellow of the Royal Society in 1884.
Stephen Hawking was elected a Fellow of the Royal Society in 1974.
The Royal Society Collections at the University of London History Day, 2019.
The current premises of the Royal Society, 6–9 Carlton House Terrace, London (first four properties only)
Title page of the first edition of the Philosophical Transactions of the Royal Society published in 1665

The scientific Fellows of the Society were spurred into action by this, and eventually James South established a Charters Committee "with a view to obtaining a supplementary Charter from the Crown", aimed primarily at looking at ways to restrict membership.

William Herschel

German-born British astronomer and composer.

1785 portrait by Lemuel Francis Abbott
Original manuscript of Symphony No. 15 in E-flat major (1762)
Replica in the William Herschel Museum, Bath, of a telescope similar to that with which Herschel discovered Uranus
Herschel's mirror polisher, on display in the Science Museum, London
Uranus, discovered by Herschel in 1781
NGC 2683 is an unbarred spiral galaxy discovered by William Herschel on 5 February 1788
William and Caroline Herschel polishing a telescope lens (probably a mirror); 1896 lithograph
The 40-foot (12 m) telescope
A Cassini orbiter's view of Mimas, a moon of Saturn discovered by Herschel in 1789.
William Herschel's model of the Milky Way, 1785
William Herschel's coat of arms deemed a notorious example of debased heraldry: Argent, on a mount vert a representation of the 40 ft. reflecting telescope with its apparatus proper on a chief azure the astronomical symbol of Uranus irradiated or. Crest: A demi terrestrial sphere proper thereon an eagle, wings elevated or
William Herschel, portrait by James Sharples, c. 1805

His theoretical and observational work provided the foundation for modern binary star astronomy; new catalogues adding to his work were not published until after 1820 by Friedrich Wilhelm Struve, James South and John Herschel.

Dunsink Observatory

Astronomical observatory established in 1785 in the townland of Dunsink in the outskirts of the city of Dublin, Ireland.


The achromatic lens, with an aperture of 11.75 inches, was donated by Sir James South in 1862, who had purchased the lens from Cauchoix of Paris 30 years earlier.

Edward Troughton

British instrument maker who was notable for making telescopes and other astronomical instruments.

Troughton was involved in a lawsuit against Sir James South, who was dissatisfied with the quality of an equatorial mounting that Troughton made for him.

John Flint South

English surgeon.

John Flint South, 1848 lithograph
John Flint South engraving

The eldest son by his second wife of James South, a druggist in Southwark, he was born on 5 July 1797; Sir James South, the astronomer, was his half-brother.

Groombridge Transit Circle

Meridian transit circle made by Edward Troughton for the English astronomer Stephen Groombridge in 1806, which Groombridge used to compile data for the star catalogue, Catalogue of Circumpolar Stars.

Groombridge transit circle

It was eventually bought by James South, and it remained at his observatory at Kensington until 1870.

Robert-Aglaé Cauchoix

French optician and instrument maker, whose lenses played a part in the race of the great refractor telescopes in the first half of the 19th century.

Observatory of the Collegio Romano in 1852. Number 4 indicates the part of the building that accommodated a telescope by Cauchoix.

In 1829, Cauchoix made an 11.75 inch lens for a French customer, but sold it to the British astronomer James South.

Mary Ward (scientist)

Irish naturalist, astronomer, microscopist, author, and artist.

Ward also drew insects, and the astronomer James South observed her doing so one day.

Franz Brünnow

German astronomer.

Franz Friedrich Ernst Brünnow

His first undertaking at the Dublin Observatory was the erection of an equatorial telescope to carry the fine object-glass presented to the university by Sir James South; and on its completion he began an important series of researches on stellar parallax.