How to Calculate Primary Directions

How Pirmary Direcitons are calculated according to Ptolemy, Naibod, Cardan, Kepler, Regiomontanus, Kepler, Placidus, Kolev, and Cochrane. A detailed description of the methods but without gong into the spherical trigonometry formulas.

Note that at about 13:30 into the video there is an error on the slide. The text should be The text should be "Divide the 360 degrees of the circle into 365.2422 days". The word "by" in the slide should be "into".

The Sirius 2.0 software is used in this video. Sirius is developed and copyrighted by Cosmic Patterns Software and the company website is www.AstroSoftware.com

Видео How to Calculate Primary Directions канала Cosmic Cybernetics and Cosmobiology