最終更新日:2022/12/24

After making a sketch of the Neptunian regions for the dates from 1790 to 1800, I soon came to the conclusion that the nights of the 8th and 10th of May, 1795, were the only ones that afforded a reasonable prospect of furnishing an observation of Neptune, and accordingly computed for the evening of the 10th of May, the limits of the Neptunian region, or in other words the locus of Neptune as a fixed star, …

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