In Robertus Anglicus’ commentary on the Sphere of Sacrobosco, he identifies the orb of an eclipse as 12 degrees; presumably the moiety is 6.
This book and translations of all the major commentaries should be made available in English as soon as possible.

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Published by Clifford Hartleigh Low
Clifford is an accomplished practitioner of several schools of magic for thirty-five years, and holds a B.A. in Psychology from NYU. He has spent fifteen years researching Medieval and Renaissance astrological magic, and grimoires like the Picatrix. Merging his interest in dark aesthetics with deep study of historical materials, he is an outspoken proponent of wealth magic, weather magic, healing magic, tarot and black magic. His diverse influences include Hoodoo, Kabbalah, and Greco-Roman Magic. A former promoter and DJ, he sometimes enjoys throwing lavish parties.
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