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80 1903, though it would have been interesting to have ascertained whether the influence of Jupiter had accelerated its return by 4 months, as Stromgren calculated would have been the case. The orbit of Faye's Comet is the least eccentric of all the short-period orbits. A sketch of Faye's Comet by Tempel will be found on Plate X.

This comet was first seen by Méchain on Jan 9, 1790. It was only followed for a fortnight. On Jan. 11 Messier could see only a confused nebulosity without any indications of a nucleus. It was not reobserved until its return in 1858, on Jan. 4 of which year it was discovered by H. P. Tuttle at Harvard College Observatory, Cambridge, U.S., passing its perihelion on Feb. 23. It was found to be a periodical comet with a period of about 13$1⁄2$ years. It returned again to perihelion and was seen in Nov. 1871, August 1885, and May 1899. Its orbit has been thoroughly investigated by Rahts.