A new astrometric study of the open cluster NGC2682 (M67), covering an 
area of about 2 x 1.4 deg^2 and down to 17 magnitude in r’ has been 
conducted with new data from the Meridian Circle of San Fernando CMASF 
at El Leoncito (Argentina). We derive properties for 2738 stars fainter 
and, in a wider area, than any previous precise survey in the cluster 
region. Proper motions are then used to determine the membership 
probabilities of stars in the region, applying parametric and 
non-parametric methods to cluster/field segregation. Adding photometric 
criteria, we obtained a preliminary list of probable member stars, up to 
a distance of 0.96 deg from the cluster
centre. The accuracies of the astrometric survey will be discussed and 
the prospects for further science return will be presented.