The perfect gift for amateur and seasoned astronomers. Follow the progress of constellations throughout the seasons with this beautiful companion to the night sky from Astronomy experts Collins. With the aid of easy-to-understand monthly calendars and maps, you will chart the rhythm of the lunar phases, discover events that light up the sky for brief periods, and explore the rich tapestry of characters that adorn the starry canvas overhead. You can delve as deeply as you like, or follow your own favourite subject throughout the year. never miss a night sky event wherever you are in the world with this month-by-month guide go meteor spotting, track the phases of the moon and explore the constellations worldwide coverage - with details for both the Northern and Southern hemispheres discover fascinating celestial facts and notable astronomical anniversaries Written and illustrated by astronomical experts, Storm Dunlop and Wil Tirion, and approved by the astronomers of the Royal Observatory Greenwich.