def get_guide_image_info(self):
            for cam_name, img_info in self.images.items():
                if img_info.get('guide_image', False):
                    return img_info
Gets the most recent image from the camera marked as `guide`
dataset/ETHPy150Open panoptes/POCS/panoptes/scheduler/observation.py/Observation.Exposure.get_guide_image_info