Abstract
THE explanation given by Prof. Peters (Astr. Nach., 2,240) of the observations made at Washington m 1850 of this supposed planet is put beyond doubt by the examination of Mr. Ferguson's observing-book. It is due, however, to Mr. Ferguson to say that his record is full and complete, and that his changes in the reductions were honestly made. The record is in pencil, and no figures were erased or rubbed out. They are crossed out, and the assumed figure is put by the side of the original one, while at the bottom of the page is a note with pen and ink, and in Mr. Ferguson's handwriting, stating the changes that were made. Prof. Peters's ingenious discovery of the truth was made without knowledge of the observing-book.
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HALL, A. The Trans-Neptunian Planet. Nature 19, 481 (1879). https://doi.org/10.1038/019481a0
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DOI: https://doi.org/10.1038/019481a0
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