Guest guest Posted April 2, 2008 Report Share Posted April 2, 2008 Hi PVR, Default Ayanamsa in Jhora 7.1 = Lahiri (Chitrapaksha) Default Ayanamsa in Jhora 7.1b2 = Vishnu-nabhi Plane (Chitrapaksha) Is this a deliberate change? If yes, could you kindly explain your rationale for doing so? Thank you. Best Wishes, Pushya Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 2, 2008 Report Share Posted April 2, 2008 Namaste, Yes, this was deliberate. In regular ayanamsa implementations, the two-dimensional plane onto which planets are being projected for the purpose of finding longitudes is *oscillating*. The plane in use at birth and the plane in use in the Tithi Pravesha chart of a year later are different. When we are trying to fix the starting point of the zodiac, does it make sense to have the "plane of zodiac" vary from day to day? Vishnunabhi plane chitrapaksha ayanamsa is a new addition in JHora 7.1. It is essentially Lahiri ayanamsa only, but takes a fixed mean plane. Thus, when we find planetary longitudes at birth and in an annual Tajaka/Tithi Pravesha chart later, the same fixed zodiacal plane is used to project planets in both cases. It is more consistent and logical. This makes very little difference in natal charts (unless a planet is on a border), but makes a considerable difference in the Tithi Pravesha charts. TP Time can change by 5-10 min and lagna in some divisional charts may change in TP charts. Based on my experiments, I am convinced that this works better than the regular Lahiri implementation. As the author of JHora, I put the defaults that I believe give better results to people. So I made this fixed plane Lahiri ayanamsa variation the new default. Sorry for any inconvenience. Best regards,NarasimhaDo Ganapathi Homam Yourself: http://www.VedicAstrologer.org/homamSpirituality: Free Jyotish lessons (MP3): http://vedicastro.home.comcast.netFree Jyotish software (Windows): http://www.VedicAstrologer.orgSri Jagannath Centre (SJC) website: http://www.SriJagannath.org - pushya jhora Tuesday, April 01, 2008 6:55 PM Default Ayanamsa in Jhora 7.1b2 Hi PVR,Default Ayanamsa in Jhora 7.1 = Lahiri (Chitrapaksha)Default Ayanamsa in Jhora 7.1b2 = Vishnu-nabhi Plane (Chitrapaksha)Is this a deliberate change? If yes, could you kindly explain yourrationale for doing so?Thank you.Best Wishes,Pushya Checked by AVG. Version: 7.5.519 / Virus Database: 269.22.4/1355 - Release 4/1/2008 5:37 PM Quote Link to comment Share on other sites More sharing options...
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