Philips Glow-in-the-Dark Planisphere (Latitude 51.5 North) is a fun & practical starfinder designed for use anywhere in Britain & Ireland Northern Europe Northern USA & Canada. The planisphere is in two parts: the star map base & the rotating oval overlay which can be separated by unclipping the stud in the middle. Hold the star map beneath a bright light for a short period just before you use it to make the stars & constellations glow. Then turn the oval panel to the required date & time to reveal the whole sky visible from your location. The map by the well-known celestial cartographer Wil Tirion shows stars down to magnitude 5. The planisphere is supplied in a full-colour wallet which provides illustrated step-by-step instructions for use &
Includes:: a season-by-season guide to the night sky for beginners.