Celestron StarSense Autoguider with Auto Telescope Alignment and 4-Element Optical Design (Black)The Celestron StarSense Autoguider in Black is an all in one solution that makes using your telescope easier and more rewarding than ever. This powerful, compact device connects to your Celestron mount to provide automatic and accurate autoguiding to help you create sharp, long exposure images with ease. Whether youre an experienced astroimager or just starting in the hobby, adding this game changing accessory will ensure you have more quality time