Perihelion 21 – Winter 1991
Perihelion 22 – Spring 1992
Perihelion 23 – Summer 1992
Perihelion 24 – Autumn 1992
Perihelion 25 – Winter 1992
Perihelion 26 – Spring 1993
Perihelion 27 – Summer 1993
Perihelion 28 – Autumn 1993
Perihelion 29 – Winter 1993
Perihelion 30 – Spring 1994
Perihelion 31 – Summer 1994
Perihelion 32 – Autumn 1994
Perihelion 33 – Winter 1994
Perihelion 34 – Spring 1995
Perihelion 35 – Summer 1995
Perihelion 36 – Autumn 1995
Perihelion 37 – Winter 1995
Perihelion 38 – Spring 1996
Perihelion 39 – Summer 1996
Perihelion 40 – Autumn 1996