Leo (constellation) Babylonian astronomy, the constellation was called UR.GU.LA, the "Great Lion"; the bright star Regulus was known as "the star that stands at the Lion's breast." Regulus also had distinctly regal associations, as it was known as the King Star. In Greek mythology, Leo was identified as the Nemean Lion which was killed by Heracles (Hercules to the Romans) during the first of his twelve labours. The Nemean Lion would take women as hostages to its lair in a cave, luring warriors from nearby towns to save the damsel in distress, to their misfortune. The Lion was impervious to any weaponry;
Synoptical astrology constellation and traditionally considered so. The sector is bordered by the first 'marker' star of the next constellation. The ecliptic plane divides the sectors into northern and southern regions in some cases e. g. Aries - Taurus or Aquarius - Pisces, so, for example, a planet with northern ecliptic latitude enters the constellation of Pisces much sooner than one with southern latitude - in this system. Concerning the astrological aspects, Synoptical Astrology focuses also on the arithmological characteristics of the natural number (positive integer) which divide the circle of 360 degrees. The unequal constellational sectors in the Synoptical Astrology are