Guest guest Posted April 8, 2008 Report Share Posted April 8, 2008 Dear Narasimha There is NOTHING WRONG in the name you have chosen. In fact, you HAVE chosen the correct name which comes out of a sincere devotion for the subject and the renunciation of ego. You could have named it Narasimha ayanamsa or something like that or Sriharish ayanamsa...but then being very scientific in disposition, you have refrained from that. Vishnu-nabhi ayanamsa is the correct name. It is clear, to the point and speaks for itself. Shri Gopal K. Goel and I have been hoping that somehow we can have what is called the *real chitrapaksha ayanamsa* where the star Spica (also known as α Vir / α Virginis / Alpha Virginis) is kept at exactly 180 degrees based on observed values for the star position. Fitting a mathematical equation for this is another thing, but the basic value of ayanamsa maybe taken keeping it at exactly 180 degrees for say, 1st Jan each year...then choose some kind of curve fitting. BTW...7.1 is very good. In the option of special Taras from Moon/lagna can you give the Lord of Abhijit as *Sun* as most of Abhijit (more than 90%) is in Uttarasadha...and then the other lords remain same as in Vimsottari. The present scheme in JHora is a bit awkward. Take a look at this. I have given the proposal in red... Special tara (Moon) Meaning    Nakshatra Lord Janma              Existence  PBha     Saturn [Jup ] Karma              Work       Puna     Jupiter Samudayika         Collective Swat     Rahu Sanghatika         Social     Hast     Moon Jaati              Family     Aswi     Ketu Naidhana           Death      Rohi     Moon Desa               Nation     Asre     Mercury Abhisheka          Coronation Sata     Jupiter [Rah] Aadhaana           Kindling   Visa     Jupiter Vainasika          Destructive Mool     Ketu Maanasa            Mental     Abhi     Moon [sun] Thanks Sanjay Rath On Behalf Of Narasimha PVR Rao 04 April 2008 18:32 Ashish Sharma Cc: jhora ; vedic astrology ; sohamsa ; SriJagannath ; sjc-guru ; [Om Krishna Guru] Default Ayanamsa Change in JHora 7.1 Namaste, A lot of people have asked this and I need to clarify about a change in the default ayanamsa used in JHora 7.1. The default has been changed from " Lahiri (Chitrapaksha) " to " Vishnunabhi Plane (Chitrapaksha) " . The name was coined by me in a hurry and perhaps unintuitive - I will rename it in future versions as " Modified Lahiri (Chitrapaksha - fixed plane) " . If you like the plain old Lahiri, you can change the default (In main menu, " Preferences " >> " Related to calculations " >> " Ayanamsa " ). Let me explain what the modification is. In astrology, we project the planetary positions from the three-dimensional space to a two-dimensional plane and find longitudes by measuring the angle from a reference point (start of the zodiac) in that two dimensional plane and the projection of planet on that plane. In regular ayanamsa implementations, the two-dimensional plane onto which planets are projected for the purpose of finding longitudes is *oscillating*. The plane in use at birth and the plane in use in the annual chart of a year later and the plane used in transits are all different. When we are trying to fix the starting point of the zodiac in each ayanamsa, 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 instead of the oscillating plane. Thus, when we find planetary longitudes at birth and in an annual Tajaka/Tithi Pravesha chart later or in transits later, the same fixed zodiacal plane is used to project planets in all cases. This is more consistent and logical. In my experience, it gives superior results with annaul lunar return charts, which are very sensitive to this change. This normally makes very little difference in natal charts, but can change a planet's sign in rasi or divisional charts in some border cases. It can also change the nakshatra dasa dates by several weeks. This also makes a considerable difference in Tajaka and Tithi Pravesha annual charts. The time of the chart can change by upto 15 min and lagna in some divisional charts may change in TP and Tajaka annual charts. Based on my experiments, I am convinced that this works better than the regular Lahiri ayanamsa. That is why I have changed the default in the software, but you can revert to regular Lahiri if you are convinced that that is better. In general, for questions on Jagannatha Hora software, please use the " jhora " . Please go to jhora to or send a mail to jhora- . Best regards, Narasimha ------------------------- Do Ganapathi Homam Yourself: <http://www.VedicAstrologer.org/homam> Spirituality: <> Free Jyotish lessons (MP3): <http://vedicastro.home.comcast.net> Free Jyotish software (Windows): <http://www.VedicAstrologer.org> Sri Jagannath Centre (SJC) website: <http://www.SriJagannath.org> ------------------------- ---- Ashish Sharma <ashi078 wrote: > Dear Sh. PVR ji, > > I just want to highlight the difference in charts using different versions (7.02 and 7.1b2) of JHORA. > > First, let me thank you for this software and I sincerely appreciate your efforts into this. > > Now, the issue: > > When I use create chart for a native having DOB 2nd Aug 1985, Kangra (HP, India), the horoscope caste by above mentioned different versions of JHORA is different. I couldn't understand why? The horoscope coming with old version seems to be correct one as per different tools in other websites. > > Also, using 7.1b2, the Mahadasa calculation for native (22nd july 1980, 7.10 AM Delhi, India) is different when compared with old version. Sani Mahadasa ends on 18th April 08 as per new version but as per old version, it should end in last week of Mar 08. Again, old version seems to give correct calculation. > > This is just an feedback so that you may look into this (per your time permitting) and carry out modifications, if required. > > Regards > Ashish Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 9, 2008 Report Share Posted April 9, 2008 Narasimha’s outstanding dedication and contribution to Jyotish is most admirable and he has my deepest appreciation for sharing the excellent JHora software. Furthermore, his constant research and refinement of the already superb software is just a boon for us aspiring Jyotishas, many thanks Narasimha! That said, I am wondering if the esteemed Sanjay Rath and other gurus also feel that the new Vishnunabhi plane chitrapaksha ayanamsa is more accurate than the regular Lahiri ayanamsa, as their dasa dates vary by many weeks. Thanks in advance, Leo Quote Link to comment Share on other sites More sharing options...
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