A regional convention held in Rochester, NY and put on by the Rochester Fantasy Fans from 1991 to 2013.

Convention Dates GoHs
Astronomicon 1 Nov. 30-Dec. 1, 1991 Geary Gravel, Courtney Skinner, Larry Stewart
Astronomicon 2 March 5-7, 1993 Michael Swanwick, Phil Foglio, Gundersons, Ookla the Mok
Astronomicon 3 March 4-6, 1994 Jack Chalker Kelly Freas, Grace Lee Whitney, Wombat
Astronomicon 4 March 3-5, 1995 David Drake, Jeff Menges, Lloyd Penney, Yvonne Penney, Ookla the Mok, Jan Howard Finder
Astronomicon 5 March 1-3, 1996 Rob Sawyer, Tom Kidd, Bjo Trimble
Astronomicon 6 Feb. 28-March 2, 1997 Tanya Huff, Susan Van Camp, Jay Kay Klein
Astronomicon '01 Feb 9-11 2001 Steven Barnes, N. Taylor Blanchard, Dennette Harrod
Astronomicon 2002 Nov. 1-3, 2002 David Weber, Ruth Thompson, Forrest J Ackerman, Michael Longcor
Astronomicon 2005 Nov. 11-13, 2005 Spider and Jeanne Robinson, Bob Eggleton, Erwin "Filthy Pierre" Strauss, Roberta Rogow, Robert Weinberg, Steve Bennett
Astronomicon 2006 Nov. 10-12, 2006 Catherine Asaro, Julie Bell, Bjo & John Trimble, Toni Weisskopf, Julie E. Czerneda, Pamela Sargent
Astronomicon 11 Nov. 6-8, 2009 Mike Resnick, Mitchell Davidson Bentley, Paul Meyer
Astronomicon 12 November 15-17, 2013 David Gerrold, Vincent Di Fate, Dave Stephenson, Liana Kerzner, Peter David, Tom Rockwell
Wikipedia Fanac File770 Ansible
Concatenation Fanlore Files (IA) Website . 1991 2013

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.