We present mean absolute proper motions of 112 open clusters, determined us
ing the data from the Tycho2 Catalogue. For 28 clusters, this is the first
determination of proper motion. The measurements made use of a large number
of stars (usually several tens) for each cluster. The total number of star
s studied in the fields of the 164 open clusters is 5016, of which 4006 wer
e considered members. The mean proper motions of the clusters and membershi
p probability of individual stars were obtained from the proper motion data
by applying the statistical method proposed by Sanders (1971).