Perihelion 81 – Winter 2006
Perihelion 82 – Spring 2007
Perihelion 83 – Summer 2007
Perihelion 84 – Autumn 2007
Perihelion 85 – Winter 2007
Perihelion 86 – Spring 2008
Perihelion 87 – Summer 2008
Perihelion 88 – Autumn 2008
Perihelion 89 – Winter 2008
Perihelion 90 – Spring 2009
Perihelion 91 – Summer 2009
Perihelion 92 – Autumn 2009
Perihelion 93 – Winter 2009
Perihelion 94 – Spring 2010
Perihelion 95 – Summer 2010
Perihelion 96 – Autumn 2010
Perihelion 97 – Winter 2010
Perihelion 98 – Spring 2011
Perihelion 99 – Summer 2011
Perihelion 100 – Autumn 2011