Discovered
Appeared
Not observed
Appeared before discovery
Not observed before discovery
Returns in the future
C/1993 Y1
1994 Mar. 31
C/574 G1
574 Apr. 6
The identification is pointed out by Syuichi Nakano and Ichiro Hasegawa (IAUC 5943).
The perihelion dates in 574 and 1994 are calculated by Syuichi Nakano.
Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.