The Sidereal or Eastern system of astrology is based on the position of the belt of fixed stars and constellations in the heavens, whereas the Tropical zodiac or the Western astrological system is based upon the position of the Sun in relation to the Earth.  Sidereal astrology is the system of astrology used by some western astrologers which bases their interpretation around the use of the sidereal zodiac. It was introduced to the West by the Irish astrologer Cyril Fagan in 1944 and is practiced by a minority of Western astrologers.  Sidereal astrology ties its signs of the zodiac to the actual constellations and is more complex, yet more mathematically…