Produkt mají v nabídce:
Planisphere - Royal Observatory Greenwich a Dunlop a Tirion, Wil a Array
Easily find stars and constellations in the night sky every day of the year. A starfinder that allows visible stars to be identified for any date and time for locations in the Northern Hemisphere. Compiled by astronomical experts, Storm Dunlop and Wil Tirion and approved by the astronomers of the Royal Observatory Greenwich.
