The Astronomy tables from Hogwarts Legacy are one of the collectibles that you must get to complete all the content to get exclusive rewardsYou will be able to see them from the beginning of the adventure: they are stone tables with a telescope, usually located in high and open places.
The first step is to unlock them, since you will not be able to interact with them (even if you see them) until you overcome the Astronomy Class Mission. In this class you will receive your own telescope and learn how they work. The best advice I can give you is to be guided by the patterns of the stars that are more togethersince the normal tendency is to focus on the separated ones.
Now yes. The Astronomy tables They are scattered around the world of Hogwarts Legacy. Remember that it must be at night to be able to interact with them, similar to the demiguise statues. In the following map you can see all the tables that are scattered around the world. You can see them while flying on your broom.
The map leave a table unshownwhich is located within the Hogwarts grounds. You can find it in the Hogwarts gardens, near the Secret Corridor of Herbology: Head left from the main entrance of the castle, leaving the Quidditch pitch behind you. You’ll encounter it during the side quest “Poisonous Courage” after speaking to Duncan (Ravenclaw).
As you find and decipher Astronomy Tables, you get Field Guide rewards. These are three pieces of clothing: Scarf, Chest (bottom part), and Cloak. They are worth getting because they have a really nice design.