Author: Jan Kampherbeek

Enigma: Software for astrological research

I started a new software project for astrological research. The package I will develop is called Enigma as I believe a big part of astrology is still covered in veils. I will describe some of the intended functionality in this blog and I will discuss functional issues on a Facebook group. For now just this short announcement. If you subscribe to the Facebook group you will receive messages if new information is published.

Project Houses

Did you know at least 70 house systems do exist? Some of them are well known but most of these systems are hardly ever mentioned. I would consider it a serious loss for astrology if knowledge about these systems would disappear. They are part of our astrological heritage and therefore deserve it to be remembered.

I will make an attempt. Starting today you will find at RadixPro an overview of house systems. I was able to locate 70 of them but that number will probably rise. I made a description – including formula’s and a calculation example – for five systems in the Project Houses. I will also describe the remaining systems. That will be on a regular base but it will take several years before I finish the description of all 70 systems. Apart from the description of the systems you will also find an annotated reference and an overview of the systems. In the future I will also add general articles on houses.

Calculate your own sidereal time

Calculating sidereal time used to be an important part of calculating a chart. Without sidereal time  there were no houses, no MC, no ascendant. For the calculation of sidereal time you will find the formulas at RadixPro. The formulas are simple and do not use any goniometry, so nothing stands in the way to give it a try with your own chart. Sidereal time

Formulas for declinations

In astrology we use declinations since the very start of horoscopy. Not just for parallel aspects but also for more sophisticated systems like the one defined by Kt Boehrer. Even in archaeo-astronomy you will need declinations to define the position of a planet at the horizon. At RadixPro you will now find formulas to calculate the declinations yourself: Declinations

Formula for the oblique angle of the ecliptic

For almost all calculations you need to know the value of the angle between equator and ecliptic. That angle is relatively constant but over longer periods of time the value does change. You can handle these changes now: at RadixPro you will find formulas for the calculation of Epsilon as this angle is called by astronomers.