1. A method for photographing a panoramic picture, the method comprising the steps of: (a) checking a motion of a corresponding photographing apparatus by comparing currently input images and previously input images in real time by employing a motion estimation technique employing exposure compensation for respective images constituting a panoramic picture are photographed; (b) checking image photography information including a focus distance and an optical magnification for calculating an actual photography range distance of the respective images of the subject, and setting a pre-set threshold in consideration of the calculated actual photography range distance of the respective images; (c) confirming the checked motion in step (a) reaches the pre-set threshold, and determining photography time points of the respective images; and (d) photographing the respective images according to a manual mode or an automatic mode at the photography time point of the respective images.