Manual of the Enumeration / A Text Book on the Sciences of the Enumeration, Book one

by C. J. Coffman

—[e]—A planet is SEXTILE

to another when they are one-sixth of the way around the Zodiac from each other, or 60 degrees apart. This would be two signs of the Zodiac apart. The SEXTILE

is considered a good aspect.

—[f]—A planet is SEMI-SEXTILE

to another when they are one-twelfth of the way around the Zodiac from each other, or 30 degrees apart. This would be in the next sign. The SEMI-SEXTILE

is considered a good aspect.