Ad Astra 2004 was held April 2-4, 2004 at the Crown Plaza Don Valley Hotel in Toronto, ON. GoHs: C. J. Cherryh, Robert Charles Wilson, Don Bassingthwaite, Patrick Nielsen Hayden, Mark Askwith, Gord Rose. Chaired by Amanda Foubister.
Ad Astra XXII and XXIII were combined with Orion, a gaming convention.
|This is a convention page. Please extend it by adding information about the convention, including dates, GoHs, convention chairman, location, sponsoring organization, external links to convention pages, awards given, the program, notable events, anecdotes, pictures, scans of publications, pictures of T-shirts, con reports, etc.