Get to know the night sky of the northern hemisphere with Celestron Sky Maps! This classic collection of seasonal star cards, rounded off by a star seeker or a planspress that shines in the dark, has been around for many years! It is still very popular because both beginners and experienced amateur astronomers find that this book offers almost everything they need to quickly find constellations and easily immerse themselves in the seasonal treasures of the night sky. The title page of this publication is often used and often used! It is a planspress? A rotating star wheel that can be geared towards any date and any time (past, present and future), which shows the night sky for this period. When the star seeker is exposed to light beforehand, all large stars in the dark and ahms shine as they actually look in the night sky. Inside you will find a collection of more detailed star cards for each of the four seasons. The cards are clear and concise and enable you to hop with your binoculars or telescope? To find objects in the sky. An illustrated reference part provides information on various object types. Celestron sky cards consist of 13-1/4 inches x 11-1/4 inch waterproof, hard-wearing cardboard for years of joy and use. A spiral plastic ridge keeps the pages together, but also enables them to be completely flat for the use on site.