An optical coherence tomographic apparatus comprising: an image obtaining unit configured to obtain a plurality of images of an eye to be examined at different times a tomographic image obtaining unit configured to obtain a plurality of tomographic images of the eye based on interfering light obtained by interference between return light from the eye irradiated with measurement light through a scanning unit and reference light corresponding to the measurement light a unit configured to perform tracking of the eye by the scanning unit based on the plurality of images and a control unit configured to control an operation of the unit which performs the tracking to correct a scan position in an interval between one scan and a next scan by the scanning unit. (Figure 9)