Night Sky Almanac 2025

A beautiful gift for anyone interested in the night sky.

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.
never miss a night sky event wherever you are in the world with this month-by-month guidego meteor spotting, track the phases of the moon and explore the constellationsworldwide coverage – with details for both the Northern and Southern hemispheresdiscover fascinating celestial facts and notable astronomical anniversaries
Written and illustrated by astronomical experts, Radmila Topalovic and Wil Tirion, and approved by the astronomers of Royal Observatory Greenwich.

Reviews

“Both delightful and useful” David Stickland, The Observatory

“Follow the progress of constellations throughout the seasons with this stunning companion to the night sky.” All About Space

About the author

The Royal Observatory, Greenwich is the home of Greenwich Mean Time and the Prime Meridian of the World, making it the official starting point for each new day and year. It is also home to London's only planetarium, the Harrison timekeepers and the UK's largest refracting telescope. It runs the annual Astronomy Photographer of the Year competition.