It is possible to check for observation success or failure and the observation history without waiting for observation to be completely finished, thus saving time and energy required for observation, and avoiding lost opportunities for observation of precious samples etc. Provided is a microscope apparatus including an image acquisition unit for acquiring a plurality of frame images while varying a plurality of parameters; an image saving unit for successively saving the frame images acquired by the image acquisition unit; a property-information saving unit for saving property information in which identifying information of the saved frame images is associated with the parameters; and a control unit for controlling these units, wherein the control unit saves updated property information in the property-information saving unit each time the frame image is saved in the image saving unit.