/**
 * \brief retrieve the most recent image from the guider
 */
void	guidercommand::image(GuiderWrapper& guider,
		const std::vector<std::string>& arguments) {
	if (arguments.size() < 3) {
		throw std::runtime_error("missing imageid argument");
	}
	std::string	imageid = arguments[2];

	Astro::Image_ptr	image = guider->mostRecentImage();
        Images  images;
        images.assign(imageid, image);
}