Turn the disc to reveal the stars visible from your location on any night of the year. This edition of this practical hour-by-hour tracker comes with its own full-colour season-by-season guide to exploring the night skies. Major constellations are used as signposts to navigate the night sky, introducing the novice astronomer to the joys of stargazing - shows stars down to magnitude 4, as well as deep-sky objects for those using binoculars or telescopes. The wallet also contains illustrated step-by-step instructions on how to use the planisphere.