NAT-7: Chart Calculations

Prerequisites:

This course is open to the general public. IAA Diploma Program Students must have completed NAT-1 through NAT-6.


Course Description:

You will gain the ability to calculate a chart by hand, using the ephemeris and book of tables. You will find that this is a vital skill for any working astrologer, but above that, it is an international certification requirement. You’ll discover that this course, which is based on a widely accepted method, is simple, rewarding, and easy to understand.


Classes are held weekly.

Class 1: Time, Relationship Between Time and Distance, Standard Time, Time Zones, Sidereal Time, MC


Class 2: Ephemeris. Calculating Greenwich Mean Time


Class 3: Calculating the positions of planets. Planetary factor. Retrograde planets. Lunar Nodes


Class 4: Local Sidereal Time, Calculating LST. Intermediate Longitudes and Constant Decimal (CD), Tables. Calculating Midheaven for Intermediate Longitudes


Class 5: Tables. Calculating House Cusps. Drawing a chart


Class 6: Calculations for Intermediate Latitudes. Solar Charts and Natural Charts


Class 7: Chiron. Vertex. Midpoints. Declinations


Class 8: Exam

Required materials:
The following required materials are available through the IAA online shopping areas:

  • The NEW American Ephemeris for the 20th Century, by Rique Pottenger based on the earlier work of Neil F. Michelsen

  • The Michelsen BOOK OF TABLES, Second Edition by Meil F. Michelsen and Rique Pottenger

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