Abstract
THE SATURNIAN SYSTEM.—In a memoir published in t.xxvii. 2me partie, of Mémoires de la Société de Physique et d'Histoire Naturelle de Genève, entitled “Recherches sur Saturne, fes Anneaux et ses Satellites,” M. Wilhelm Meyer, assistant-astronomer at the Observatory of Geneva, presents results of his observations made with the 10-inch refractor, the gift of Prof. Plantamour to the establishment, during the opposition of 1880. They consist of measures of the rings and equatorial and polar diameters and observations of the satellites Enceladus, Tethys, Dione, Rhea, and Titan, with elements deduced from them. M. Meyer was not certain that he had observed Mimas in 1880, but in a note he mentions that on the night of September 4, 1881, which was “une des plus belles, quant à la diaphanité de l'atmosphère,” he obtained an undoubted observation of it; at 13h. 13m. 27s. Greenwich mean time it was distant 31″.1 from the centre of Saturn, exactly in the plane of the ring on the preceding side, or, as he expresses it, x = - 31″.1, y = 0.
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Our Astronomical Column . Nature 25, 114–115 (1881). https://doi.org/10.1038/025114a0
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DOI: https://doi.org/10.1038/025114a0