This handy, durable tool helps you identify the constellations in the night sky. By turning the clear top piece, you simply dial in your observing time and date to find the set of constellations visible in your night sky. This chart is designed for ease of use, and is appropriate for beginners and seasoned amateur astronomers alike. This edition has an 11inch diameter.
This chart can be used anywhere in the world between latitudes 30 and 60 degrees North, which includes the US and Canada, England, Europe, Northern China and Japan.