For these, you can use SIMBAD to find potentially interesting young stars in the clusters and the look up their light curve in our database. There is no need to point the telescope at the star you are interested in during the observations. Indeed, it is not very helpful. The target coordinates on our list are chosen to maximise the number of young stars in each image. Hence, if you point not at the central coordinates, you potentially image a lot of area that does not contain any young stars.