This directory contains Ritter Observatory observations from the 1997 campaign on the colliding wind system Iota Orionis. The data plots are in postscript files (1.ps, 2.ps, etc.). A brief informational file for each observation is included as well (1.txt, 2.txt, etc.) Contact Nancy Morrison (ndm@physics.utoledo.edu) or Chris Mulliss (cmulliss@physics.utoledo.edu) for more information.