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astro-ph.SR2014★ 2 cited
The solar rotation in the period 1853-1870 from the sunspot catalogues of Carrington, Peters, and de la Rue
Ricard Casas, José M. Vaquero
R. C. Carrington, C. H. F. Peters, and W. de la Rue observed the sunspots in the second half of the 19th century, determining their heliographic positions between 1853 and 1870, be…
astro-ph.SR2013★ 18 cited
The Sunspot Catalogues of Carrington, Peters, and de la Rue: Quality Control and Machine-readable Versions
R. Casas, J. M. Vaquero
In the 19th century, several astronomers made observations of sunspots, recording their positions and sometimes their areas. These observations were published in the form of extens…