FireSignLogic, I relocated your transits chart to the
Pluto Transits Board, where I had originally intended to post it. All of the lines in any astrological chart represent
planetary aspects--the numerical relationship (in degrees) between different planets and/or angles.
It is common knowledge that a circle consists of 360 degrees, but did you know that this measurement has its origns in astrology, when the ancients believed a year to contain 360 days and assigned one degree to each day?
Anyway, depending into how many "pieces" or "parts" you wish to divide a circle, each segment will contain a certain number of degrees.
A full circle contains 360 degrees.
If a circle is divided into two parts, each will contain 180 degrees. This is equivalent to an
opposition--a relationship between two or more planets located
180 degrees away from each other. It is also known as the Second Harmonic.
If a circle is divided into three parts, each will contain 120 degrees. This is equivalent to a
trine--a relationship between two or more planets located
120 degrees away from each other. It is also known as the Third Harmonic.
If a circle is divided into four parts, each will contain 90 degrees. This is equivalent to a
square--a relationship between two or more planets located
90 degrees away from each other. It is also known as the Fourth Harmonic.
If a circle is divided into five parts, each will contain 72 degrees. This is equivalent to a
quintile--a relationship between two or more planets located
72 degrees away from each other. It is also known as the Fifth Harmonic.
If a circle is divided into six parts, each will contain 60 degrees. This is equivalent to a
sextile--a relationship between two or more planets located
60 degrees away from each other. It is also known as the Sixth Harmonic.
If a circle is divided into seven parts, each will contain approximately 51.5 degrees. This is equivalent to a
septile--a relationship between two or more planets located approximately
51.5 degrees away from each other. It is also known as the Seventh Harmonic.
If a circle is divided into eight parts, each will contain 45 degrees. This is equivalent to a
semisquare--a relationship between two or more planets located
45 degrees away from each other. It is also known as the Eigth Harmonic.
If a circle is divided into nine parts, each will contain 40 degrees. This is equivalent to a
novile--a relationship between two or more planets located
40 degrees away from each other. It is also known as the Ninth Harmonic.
If a circle is divided into ten parts, each will contain 36 degrees. This is equivalent to a
semi-quintile or
decile--a relationship between two or more planets located
36 degrees away from each other. It is also known as the Tenth Harmonic.
This can be continued for an infinite number of harmonics...
I hope this helps!
EDIT: I should probably mention that the "harmonious aspects" (trines and sextiles) appear as blue lines in most Astrodienst-generated natal charts, while the "difficult aspects" (oppositions and squares) appear as red lines. Quincuxes, commonly known as inconjuncts, appear as green dotted lines; the other aspects are not as widely used and therefore do not appear on most natal charts.
Arian Maverick