Joanna Harcourt-Smith and John Lash have three talks on Astrology and What It's Not.
See the related Metahistory articles:
A Primer of Stellar Astrology:
Part 1 - Introducing the Real-Sky Zodiac and StarBase
Part 2 - Astrology Without Stars

April 08, 2008
Introducing the idea that Genius can be inherited, but not from blood-relations: John defines the "endowment" or genomic inheritance we each carry, and demonstrates how to read "Star Base," his unique format of constellational astrology. In conclusion he proposes "biographic empathy," and discusses the possible applications of this alternative system.
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LENGTH: 30:22 mins. SIZE: 13.9MB

Alternative Zodiac: - March 30, 2008 - (LENGTH: 39:09 mins. SIZE: 17.9MB)
John describes his struggles and conflicts working as a consulting astrologer for 30 years, explaining what led him to formulate an alternative Zodiac based on observation of actual star-patterns. He points out why the word astrology is misleading, although astrology itself is valid on its own terms.

Sign Zodiac and Star Zodiac: - April 01, 2008 - (LENGTH: 42:26 mins. SIZE: 19.4MB)
John details in simple language the difference between the two Zodiacs and proposes what he calls the genotype to contrast with the horoscope. Discussing tropical, sidereal, Vedic versions of astrology, he explains the implications of the true star zodiac (the circle of thirteen constellations), for our notion of destiny.

All talks refer to John's book, Quest for the Zodiac recently reissued by the Marion Institute.

More information on the book can also be found on the Metahistory site, see Quest for the Zodiac