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Matrix Software > Learng Astrology > Astrophysical Directions > Introduction > 360░/Decimal Notation

Learn Astrology

Back to Introduction   |   Back to Astrophysical Direction 

How to Use the Main

A break-down of the main catalog format is given below. We are interested in the longitude (? ) and Latitude (▀ ) for the 61st object in the list of Open Clusters (there are 96 clusters listed). We can see that the longitude is 194░53'50" and the complete Latitude is -63░11'56" (both in the ecliptic or zodiac). What else can we determine about this object?

At the far right-hand tide of the page we find that the object is the 3114th in the NGC Catalog, an intermediate rich cluster located in the southern constellation Carina. If we consult the legend and the columns that contain additional information concerning these Open Clusters, we find that NGC 3114 consists of about 100 stars, covers 30' (minutes) of arc (on the equatorial projection) and is located at a distance of some 300 parsecs from the Sun/Earth center.

If we look up the other two objects in the Finder Zodiac List, we find that the object at 195░58'14" of longitude is the fixed star Theta Draco, a spectroscopic double in the constellation Draco, the dragon. The remaining object at 196░16'11" is perhaps the most significant of the three, for it represents a bit of cosmic structure. Charle's Jayne's Sun is conjunct the descending node of the supergalactic plane to our zodiac. This may be of more than passing interest to us, since Jayne has been one of the few pioneers who have insisted that we younger astrologers investigate cosmic structure, such as this Supergalactic plane!

Catalog Legend

Type -- The type or class of object represented is listed in this column as well as the NUMBER of the object IN OUR LIST. These NUMBERS are to be used to cross-reference with the Finder-Lists in this book and have no outside astronomical meaning in themselves. In most cases, however, they reflect the object's position in terms of increasing right ascension.

Name of Object -- This column contains the most common designation used by astronomers. Thus 'CP 1919' refers to the pulsar at 19h l9m of right ascension in the Cambridge Catalog, or Cambridge Pulsar 1919. No attempt has been made to explain the origin of the various names used in this book and the reader is referred to the bibliography at the end of the Finder-Lists for more details.

Right Ascension & Declination -- The next two columns represent the 1950.0 position of the object in equatorial coordinates. Thus 289 54 00 reads: 289░54'00" of right ascension, and +21 47 17 reads: 21░47'17" of north declination. ECLIPTIC or ZODIAC LONGITUDE & LATITUDE -- These columns give the 1950.0 position of the object in the traditional Tropical zodiac or ecliptic. As you will note the positions are expressed in absolute longitude or 360░ notation, rather than in SIGNS-DEGREES-MINUTES-SECONDS. This form of notation is presented in detail in User Instructions: Part One.

The position of CP 1919 therefore .at 295 48 57 reads: 295░48'57" of zodiac longitude (25░ Capricorn 48'57") and +43 27 58 reads: 43░27'58" of zodiac latitude North.

Ecliptic Intersect -- (also called Right Longitude) is similar to the Midheaven for the right ascension value for the object. This value represents the point in the zodiac where the right ascension meridian intersects the zodiac. For more details see the User Instructions.

New Galactic Longitude & Latitude -- These columns give the positions of the object in terms of New Galactic Coordinates, galactic longitude (lii) and latitude (bii). Thus 055 46 37 reads: 055░46'37" of galactic longitude and +03 30 04 reads 03░30'04" of galactic latitude north. See User Instructions for more details.

We can look up all of Jayne's planets, angles, and any other sensitive points we wish to investigate. You will want to do this with your own natal chart. Since this can be a very time consuming process, we suggest that you take notes or keep track of what you find interesting. It could take some time before you get used to using this material and also get a feeling for the kind of cosmic objects and the framework or structure in which they occur. Don't expect to get 'instant' interpretation. The interpretation or meaning of all of this will grow on you over time, in particular as you become aware of the whole basic structure of space. Let me sum up where you should be headed at this point in your study:

First of all, you should be browsing through the Main Catalog and beginning to read about the many kind of stellar objects as well as the network or structure where they can be found. Second, you should be able to lay out your own chart and any chart that interest you on the 360░ wheel and begin to look up natal positions that interest you in the Finder Zodiac ListS. Give all of this some time and when you feel ready for some more input, then read the User Instructions: Part Two.

Copyright (c) 1997-99 Michael Erlewine

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