Hello everybody, for a private little project on the chinese calendar I was looking for an accurate method of calculating the moon phases and finally found the...
1396
macbase10
Jun 2, 2007 10:00 pm
Hi this is Mac I am trying to use Swiss Ephemeris with PHP and I need, pre-compiled sweph.so for the PHP Extension provided by http://swephp.rgbsoft.net/ ...
1397
Allen
a_edwall1
Jun 2, 2007 11:02 pm
... A new Moon is when the longitude of the Moon exactly equals the longitude of the Sun. A full Moon is when the longitude of the Moon is exactly 180 degrees ...
1398
Juan Revilla
asbolo
Jun 3, 2007 12:26 am
... You are getting confused by the difference between zodiacal or ecliptic longitude (the 13:52 time) and elongation which is the actual angular distance to...
1399
Ed Falis
efalis
Jun 3, 2007 12:29 am
... measurements that can differ by 1 or 2 hours from the times that could be actually observed from a place on the surface of the Earth -- that would require...
1400
Abhi
jaamaylem
Jun 4, 2007 2:04 pm
... Well, my brain didn't explode but I got a lesson. :) Thank you! Abhi...
1401
ski woka
skiwoka
Jun 5, 2007 6:40 am
I'm reading Donald A. Bradley's "The Parallax Problem in Astrology" booklet. Is the booklet still relevant and are the formula correct ? Any...
1402
Ed Falis
efalis
Jun 5, 2007 8:36 am
... I believe there are simpler formulae in Jan Meeus' "Astronomical Algorithms". In any case, you can set the Swiss Ephemeris to use topocentric positions...
1403
ski woka
skiwoka
Jun 7, 2007 9:07 am
Thanx Ed ! ... From: Ed Falis <falis@...> To: swisseph@yahoogroups.com Sent: Tuesday, 5 June, 2007 8:32:50 AM Subject: Re: [SWISSEPH] Differences...
1404
elevenelefants
Jun 10, 2007 9:19 am
I'm developing an application using the Swiss Ephemeris and wonder if the MIT license is "compatible" with the SEPL license? (The MIT license is known as equal...
1405
elevenelefants
Jun 10, 2007 2:52 pm
I've read the message "We are going to put Swiss Ephemeris under GPL 2". In this case the MIT/BSD license won't suit for application that wants to use the...
1406
systech44
Jun 22, 2007 7:53 am
Hello, I would like to know whether it is possible or not to find out the chiniese lunar year and month from swedll32.dll. Please help. Thank you in advance....
1407
systech44
Jun 29, 2007 4:35 am
Hello, I am a VB programmer and I would like to use the function swe_lun_occult_when_loc(). But it is not working. I am getting error 49:Bad DLL Calling...
1408
elevenelefants
Jun 29, 2007 8:09 am
Normally we project a planet to Ecliptic according to the rule that forms zodiac signs (the red projection on the linked drawing ...
1409
Juan Revilla
asbolo
Jun 29, 2007 8:13 pm
Here is a problem I've had these days with the XYZ "of date" Swiss Ephemeris velocities, that has given me a long headache and which --after finding the...
1410
Juan Revilla
asbolo
Jun 29, 2007 11:41 pm
... Interesting problem. Needs trigonometry but judging from your diagram this will probably give a good approximation: 1-) take the house positions given by...
1411
elevenelefants
Jun 30, 2007 5:42 am
Hi Juan, Thanks for answering. Unfortunately, the simple arithmetic proportion doesn't work well. I did a simple test: took the True Node (it always has zero...
1412
Alois Treindl
aloisya2000
Jun 30, 2007 6:00 am
... wrote: Now I ... You certainly need to understand/explain how to compute these (blue) house lines. Their trigonometric/algorithmic description is needed, ...
1413
Dmitry
elevenelefants
Jun 30, 2007 6:32 am
... Hmm... It can be that I don't understand something... But I just thought that these blue house lines are unambiguously defined by the used house system....
1414
Alois Treindl
aloisya2000
Jun 30, 2007 6:37 am
... They are. But WHICH house system?...
1415
Alois Treindl
aloisya2000
Jun 30, 2007 6:49 am
... to any ... I beginto understand you now. We make such a projection in our '3d - chart', see extended chart selection group special -> 3d-chart See how...
1416
Dmitry
elevenelefants
Jun 30, 2007 6:50 am
... I would like to have a solution for any house system supported by Swiss Ephemeris. For myself I use Placidus. But I'm developing a program and would like...
1417
Dmitry
elevenelefants
Jun 30, 2007 7:09 am
... Yes, this is exactly what I need (the projection line also passes the ecliptic)! But how it is calculated? Can I do it myself with Swiss Ephemeris?...
1418
Alois Treindl
aloisya2000
Jun 30, 2007 7:11 am
... in our software which does the 3d-horoscope drawings we have code, which works for some house systems which really divide the celestial sphere, not just...
1419
Dmitry
elevenelefants
Jun 30, 2007 7:18 am
Thank you very much!!!...
1420
Juan Revilla
asbolo
Jun 30, 2007 7:49 am
... You would need to write special code and adapt the original house formulas. Regardless of the house system, in every case a house is 30 degrees of: 1-)...
1421
Dmitry
elevenelefants
Jun 30, 2007 8:30 am
In other words we just need to solve an equation swe_house_pos(<true planet lon>, <true planet lat>) == swe_house_pos(x, 0) where x is unknown. Correctly this...
1422
Juan Revilla
asbolo
Jun 30, 2007 11:55 am
... I see it now. This is the easiest way. If we call "oblique longitude" of the planet the point you are looking for, then we can define it as that point of...
1423
Dmitry Leonov
elevenelefants
Jun 30, 2007 12:47 pm
... use this concept and call it "oblique longitude", and use trigonometry to find it. With swe_house_pos the solution as you imagined it is greatly...
1424
Juan Revilla
asbolo
Jun 30, 2007 1:12 pm
... I am interested in the idea because I use in my software the trigonometric formulas to calculate this point in the Topocentric system. Being able to do it...
