●1998年の観測 (The Observations of 1998 Apparition)
●1997年の観測 (The Observations of 1997 Apparition)
●1996年の観測 (The Observations of 1996 Apparition)
●1995年の観測 (The Observations of 1995 Apparition)
●1994年の観測 (The Observations of 1994 Apparition)