C/1337 M1 = C/1468 S1

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Updated on November 12, 2002

Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 2117 July 23 1984 Mar. 22 1853 July 21 1724 Nov. 28 1597 Aug. 3 C/1468 S1 1468 Oct. 12 C/1337 M1 1337 June 18 1204 Aug. 4 1071 Feb. 21 940 Feb. 17 811 Feb. 7 683 Setp.28 555 Feb. 7 424 Feb. 1 291 May 24 157 Dec. 16 26 Oct. 19 -103 Aug. 8

The identification is pointed out by Ichiro Hasegawa and Syuichi Nakano. The perihelion dates are calculated by Ichiro Hasegawa and Syuichi Nakano. Periodic Comets Found in Historical Records Hasegawa I., Nakano S., 1995, PASJ 47, 699-710