Abstract
THE SATURNIAN SATELLITE HYPERION.—The following ephemeris of this satellite for the next period of absence of moonlight is founded upon the elements calculated by Prof. Asaph Hall, of Washington, from his measures in 1875. Though limited to dates when Saturn may be observed while the moon is absent, probably her presence, except when very near the planet, is less an impediment to viewing so faint an object than the unavoidable proximity of the planet itself.
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Our Astronomical Column . Nature 16, 460–461 (1877). https://doi.org/10.1038/016460c0
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DOI: https://doi.org/10.1038/016460c0