Ecliptic
The ecliptic is the path of the sun, relative to the stars, as seen on Earth. ... The stars along the ecliptic are divided into twelve constellations of the zodiac. ... To find the ecliptic most accurately, one would need to observe the sun’s position in the zodiac for one year. ... To chart the ecliptic, first discover which constellation is last to rise ahead of the sun, and which is the first to set after it.