The antiscion of a longitude: its mirror image across the solstitial axis, 0° Cancer to 0° Capricorn, so that the two points have the same declination on the ecliptic. 10° Taurus (40°) and 20° Leo (140°) are antiscia.
The antiscion of a longitude: its mirror image across the solstitial axis, 0° Cancer to 0° Capricorn, so that the two points have the same declination on the ecliptic. 10° Taurus (40°) and 20° Leo (140°) are antiscia.