This painted sky dome is located in the caldarium. The zodiac and other constellations circle the north star's location at the center of the dome. Key: A=Ursa Major, B=Ursa Minor, C=Cepheus, D=Draco, E=Perseus, F=Andromeda, G=Cygnus, H=Hercules, I=Ophiucus, J=Bootes, K=Leo, L=Cancer, M=Gemini, N=Orion, O=Dophinus, P=Capricorn, Q=Sagittarius, R=Scorpio, S=Erichthonius, T=Aquarius