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Frequently asked questions
Charts > Circular charts
can I determine which harmonic chart should be
Enter a number in the 'start date' field in the page for 'extended
chart selection'. The first number there is used as harmonic number,
in the case of harmonic horoscopes.
is the purpose of the "Nine Persona Charts"?
This is a method, developed by the German astrologer Peter Orban.
Please, read the article on "Persona
Charts" in the Understanding Astrology section of this website
for more information.
- Is it
to show aspects between transits (or solar return) and natal
Not directly. You can do a work-around, if you enter the data of your
or transit chart as the chart of a second person and then select the chart
Chart (2)" for your natal and the transit chart. This shows aspects
the outer (transit) and inner (natal) chart.
- What is the
between the "corrected" and "uncorrected"
The Medium Coeli (MC) computed for the time midpoint, which is the basis
Davison chart, deviates very slightly (usually by less than 1 degree) from
composite MC (computed as the midpoint between the two personal MCs). The
correction applied to the standard Davison chart brings its MC into
with the meridian axis of the composite chart. Most astrologers read the
chart and the Davison chart together.
- How is the
progressed ascendant calculated?
The sideral time at birth (RAMC) is progressed with the daily sidereal
time progress, also called the Naibod key, which as about 3m55s. For each
year of progression, RAMC is progressed by this amount. MC, Ascendant and
house cusps of the progressed chart are computed from the progressed