Go to the map in the library. Move the red line to the Sunken Ship. Press the picture beside the bookcase to reveal the secret passage way. Take the elevator up to the tower. Go up the key ladder and note the inscription.
Go to the planetarium. Open the door and enter. Shut of the lights by pressing the button next to the door and have a seat. Click on the control panel above you and enter each date and time, pressing the button to activate the screen. You will be shown a map of the stars for that particular day.
Did you copy down the constellations from the book in the library?
