In this episode of the serial I’m going to consider medieval directions. Or to be more precise, I begin to consider medieval directions.
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I considered the Hellenistic method of primary directions in two previous posts Primary Directions: the story of calculations (vol.1 and vol.2). Most Hellenistic astrologers directed this way. But there is a very important exception. This exception is Ptolemy.
Ptolemy was an eminent scholar of his time, the level of his knowledges and abilities was much higher than the level of a common astrologer of that time. Ptolemaic method of directions is much more advanced with respect to mathematics and astronomy, than the Hellenistic method I considered before, but his method wasn’t spread among Hellenistic astrologers.
Let’s consider the Ptolemaic method of primary directions as it is described in Tetrabiblos III,10.
There is a considerable upgrade in Tools.
Hour Distance Calculator is updated. The new version can produce not only a hour distance, but temporal hours and semi-arcs as well.
Old and good Oblique And Right Ascensions Table Generator is online again, and it is updated as well. Now it produces not only right and oblique ascensions, but oblique descensions as well.
Two new tools are added:
The Converter Of Coordinates can convert equatorial coordinates into ecliptical and vice versa.
Ascensions And Descensions Calculator can calculate right ascension, oblique ascension, and oblique descension of a point of the celestial sphere from its ecliptical coordinates, and oblique ascension and descension of a point from its equatorial coordinates.
I hope you will find these new tools useful, and they help you in your hard astrological life 
Georgia attacked South Osetia about 100 days ago, 7th of August 2008. First Georgian volleys towards Tskhinval, the capital of South Osetia was about 23h30min of Moscow time.
The translation of a fragment from the book by the astrologer of VIII c. Omar of Tiberias (‘Umar Ibn al-Farrukhân al-Tabarî) on horaries. This fragment says about accomplishment of some doubtful thing. The way of judgement doesn’t look standard for modern horary astrology.
The translation of a fragment from the book by Raphael Gütner Fundamentalis eaqvé astronomica et astrologica doctrina de conjunctionibus magnis printed in Chemnitz in 1663. This fragment relates to the conjunction of Jupiter and Saturn in 1663 AD:
Recently I reread the quatrains of Omar Khayyam. Unfortunately, in the English-speaking countries Ghiyās od-Dīn Abol-Fath Omār ibn Ebrāhīm Khayyām Neyshābūri mostly known through Edward Fitzgerald’s re-created translation of his quatrains (rubaiyat), which is quite far from the true spirit of the rubaiyat and based perhaps only on tenth part of the extant quatrains. In fact, the poetic heritage of this mathematician, philosopher, astrologer and poet of XI-XII cc. contains many true gems for a devotee of the spiritual evolution as well as for an astrologer.
The Lord has judged so, and there is no judgement over Him.
His decision no never turns into yes.
Perhaps, some possible thing is not existing, by chance.
But impossible one will never exist at all.
Just a quotation about some fixed stars and hight social position from “De fixis stellis commentarius” (The Commentary On Fixed Stars) by Johannes Stadius:
Lyra [Vega, α Lyrae] in the second house or mixed with Jupiter, Venus or the Part [of Fortune] promises immeasurable wealth.
The Right Shoulder of Orion [Betelgeuse, α Orionis] or of Auriga [Menkalinan, β Aurigae] with Jupiter promises the famous fortune and increase of faculties.
Italian astrologer of XVII century Andrea Argoli (also known by the Latin version of his surname as Argolus) gives in his book a natal chart of the famous French cardinal Richelieu (see Andreae Argoli… De diebus criticis et aegrorum decubitu, Patavij 1652, page 172, 173). The charts in this book are rectified. The rectification mostly made with primary directions. From the other hand, there is a nativity of Richelieu in the book of the famous French astrologer Jean-Baptiste Morin (see his Astrologia Gallica, Hagae 1661, page 612). The version of Morin is not the same as the version of Argoli.
I examined the system of ascensions of the Zodiacal signs used by Hellenistic astrologers. You can find it in the previous post of this line. This time we consider Hellenistic method of primary directions. Let’s consider an example of calculation of primary directions from the text of Paulus Alexandrinus.
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