PERRINE'S COMET (1896 VII.).—This periodic comet is due to return to perihelion about the middle of April. Search ephemerides have been calculated by Dr. G. Stracke. from orbital elements obtained from observations made during its 1909 apparition for three assumed dates of perihelion passage, namely, April 7.5, 15.5, and 23.5, and are given in Circular No. 500 of the Astronomische Nachrichten. The comet is apparently close to the sun on the opposite side from the earth, and at perihelion will be 200 million miles from the latter.

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DOI

https://doi.org/10.1038/096715a0

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