Dear All, Andrew is quite correct in suggesting that the semi-arc idea predates many other house methods. Robert Powell?s History of the Houses (All About Astrology, # 19, ACS, California) further suggests a connection to Egyptian ?star clocks? in this regard and I agree. Semi-arc division would not...

Rob It's a valuable information but why does under the pole exist then? Why did Placidus invented it? Placido compiled trigonometric tables so he could approximate semi-arc cusps in a natal horoscope (see my It?s the Oblique Sphere, stupid! in the articles section of this site.) He never intended th...

TARA!

The data I sent you should have read: -

- 9TH of July (not the 10th - sorry - error due to sloppy daylight-savings time conversion).

- LONG = 0w16 (not 0W06); (and LAT = 50n51, if you?re going to omit minutes.)

Mike

Tara,

Aspergers: - 23:20, 10 July, 1990, 0w16, 50N50.5

and his brother (who has learning difficulties)...

16:00, 12 Aug 1994, co-ords as above.

Mike

Tara,

Aspergers: - 23:20, 10 July, 1990, 0w16, 50N50.5

and his brother (who has learning difficulties)...

16:00, 12 Aug 1994, co-ords as above.

Mike

Papretis As I recall, Gauquelin's peaks were not in the middles of the Cadent houses but accrued nearer to the angles. As to why this should be - well - I used to content myself with the idea that a planet had been soaking up a house's influence for 25 degrees, culminating with an additional charge ...

Papretis,

The "five-degrees before the cusp" thing was recommended by Ptolemy. And those will be house degrees, not Ecliptic (see response to Fish, above)

Curiously enough - Gauqelin's findings appear to corroborate the practice.


Mw

Fish, The following article may better assist you and although it doesn't deal with Placidus, it does prepare the ground for part 3, which does. http://www.skyscript.co.uk/polar2.html (or just click on "articles," above, and then select it. The point is this: - Houses cannot be measured ac...

Andrew Yes, I think you probably are. And unless I?m misreading you , there's no reason not to apply Placidus to the Siderial. I have tried to lay out the choices that have to be made before adopting Sign/house but otherwise have no opinion on the matter. Ed Like Wemyss, you take for granted the (sp...

Ed, (the daily/yearly correlation and the use of seasons as analogy, the comment about the meridian belonging only to the semiarc system, and a few other bits). Spoken like a true pure mathematician. Personally, I didn't think the semi-arc exposition held up without pursuing the seasonal link but th...

To Tom (moderator) and Andrew Apologies, guys. My argument for not using Sign/house with the Tropical Zodiac was a little rushed and doesn?t appear to have made the point adequately. (The original Correlation paper was already extremely long by the time I got to that argument, so much so that it app...

Ed, Again, thanks for your support and thanks very much indeed for answering some of the technical details brought up by other commentators, meaning that I won?t now have to do it. Peter, our attempt to project houses onto the ecliptic I have never understood this expression, which was first demande...