Posts: 5457
From: Infinity
Registered: Jul 2005

posted September 04, 2008 06:28 AM         

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http://www.bobmarksastrologer.com/relationshipdavidson26.0.htm

There is a separate horoscope for the two of you and it was discovered by Ronald C. Davison. This chart shows what happens to the relationship as a whole.

The Davison horoscope (sometimes called the Relationship horoscope) is set up for the midpoint between two birth dates, times, and places. The birth date midpoint is difficult to calculate by hand because a year isn’t even. It has 365 1/4 days. And then, of course, there is the matter of leap years. But don’t worry. There are several computer programs to do the math for you.

We can also calculate a Composite of the two individual horoscopes. Composite charts must always be referred to as charts because they are not true horoscopes. A composite is constructed by finding the midpoints between the two birth horoscopes. For instance, the midpoints between the two Suns, the two Moons, the two Mercurys, etc. The house cusps are found by calculating the composite Mid-Heaven and then using that to find the rest for a particular latitude. One thing I don’t like about composite charts is that the Ascendant you get by this method is usually different than the one you get by simply finding the midpoint of the Ascendants in the two birth charts. So which one do you use? And which latitude do you use when figuring out the house cusps? These things have never been determined with any accuracy. Many astrologers use both the Davison and Composite charts when giving a relationship reading. I have found the Davison horoscope to be more accurate overall.

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