The OSA Professional Astrologer’s Diploma Program
The official Path of Mastery within the Oraculos School of Astrology.
Applications now open for the upcoming term.
The Vision of Oraculos
At the Oraculos School of Astrology (OSA), astrology is honored as both a sacred science and a living language of the soul. Our mission is to train the world’s most capable astrologers—practitioners who blend deep technical precision with spiritual insight, capable of reading the patterns of heaven as clearly as a physician reads the body.
Here, you will not only study astrology—you will become an astrologer: grounded, confident, and masterful in your art.
Scholarly & Initiatory
Elite education within a living lineage. Precision meets presence; mastery is the goal.
Global Standard
Recognized for excellence in concrete, event-based astrology and rigorous mentorship.
The Call to Mastery
You already love astrology. You’ve studied books, taken courses, and attended lectures—yet something still feels incomplete. You long for confidence. For mastery. For the ability to look at a chart and speak truthfully about the real events and seasons shaping a person’s life.
The OSA Professional Astrologer’s Diploma Program is for serious students ready to move from theory to professional practice—guided by mentorship, community, and the prestige of a world‑renowned certification.
From Mychal A. Bryan, Founder
“When I founded Oraculos, my vision was to create a place where astrology could be studied as both a divine science and a living vocation—a home for serious seekers who crave precision, lineage, and the kind of mentorship that turns knowledge into mastery.”
— Mychal A. Bryan, Founder, Oraculos School of Astrology
Practice of Concrete Astrology Program Outline
Foundations of Classical Astrology (FOCA)
No Prerequisites
The Foundations of Classical Astrology (FOCA) course is the cornerstone of everything taught at OSA. Here, you’ll gain a rigorous introduction to the philosophical, astronomical, and technical framework that underpins traditional astrology—following the system outlined in Mastering Traditional Astrology: A Depth of Beginning in the Celestial Art.
You’ll study directly with Mychal A. Bryan, whose mentorship is supported by a team of advanced OSA graduates dedicated to helping you refine your understanding of our unique approach to chart interpretation. Together, you’ll cultivate the analytical precision and interpretive depth required of a serious practitioner.
In this course, you will:
- Grasp the philosophical foundations upon which traditional astrology was built.
- Understand how the qualities, elements, planets, signs, aspects, and houses arise organically from a coherent cosmic system.
- Learn the astronomical principles underlying Western tropical astrology.
- Develop the technical and analytical skills necessary for accurate chart delineation through practical horary astrology work.
- Define the scope and ethical boundaries of your astrological practice—knowing what is, and is not, within your professional domain.
FOCA provides the intellectual and technical foundation upon which all higher OSA studies are built.
PCA-1: Practice of Concrete Natal Astrology
Prerequisite: FOCA
Building upon the solid foundation of FOCA, this course initiates you into the systematic practice of Natal Horoscopy as developed through the Medieval and Renaissance traditions. It answers one of the central questions every aspiring astrologer faces: where does one truly begin reading a natal chart?
Through Mychal A. Bryan’s detailed step-by-step rubric for natal chart delineation, you’ll learn how to approach each horoscope with clarity, precision, and confidence—transforming your theoretical knowledge into tangible interpretive skill.
In this course, you will:
- Determine the psychological constitution of a person using classical methods of temperament and character analysis.
- Assess financial prosperity and material stability across the various phases of life.
- Explore domestic astrology, interpreting the dynamics between the native, their parents, and siblings.
- Identify themes of love, romance, and marriage, understanding how these unfold through a lifetime.
- Evaluate career potential, strengths, and challenges, guiding clients toward fulfillment and purpose.
By the end of PCA-1, you’ll possess a confident grasp of concrete natal delineation—able to read charts with the accuracy, insight, and structure expected of an OSA-trained astrologer.
PCA-2: Advanced Natal Astrology & Holistic Counselling Skills
Prerequisite: PCA-1
Together, FOCA, PCA-1, and PCA-2 form the essential foundation for enrollment in OSA’s Medical Astrology Diploma Program.
In PCA-2, you move beyond theoretical study into the art of live practice—refining your natal delineation techniques while cultivating the empathy, precision, and professionalism required to work effectively with real clients. This course was created in response to the needs of OSA students who wished to deepen their counseling presence and integrate holistic awareness into every consultation.
Under Mychal A. Bryan’s mentorship, you’ll explore advanced diagnostic and interpretive methods, while also learning the fundamentals of constitutional and medical astrology that can be applied to any client session. Throughout the program, you’ll conduct supervised readings and receive individualized feedback on your style, communication, and interpretive depth.
In this course, you will:
- Master advanced planet-based delineation techniques for identifying and predicting concrete life events.
- Conduct constitutional wellbeing assessments using traditional astrological methods.
- Develop structured frameworks for client sessions that are efficient, focused, and compassionate.
- Apply advanced psychological assessment techniques rooted in classical astrology.
- Recognize constitutional and humoural imbalances and how they appear within both psyche and body.
- Understand how over 78 morbificant planetary combinations can manifest through the client’s lived experience.
- Learn three distinct models of consultation, applicable to varying client needs.
- Gain tools for both short-term coaching and long-term counseling within an astrological context.
By the end of PCA-2, you’ll embody the qualities of a mature practitioner—technically precise, psychologically attuned, and capable of guiding clients with wisdom, clarity, and care.
PCA-3: Synastry, Compatibility, & Working with Couples
Prerequisite: PCA-2
With PCA-3, your training in natal interpretation expands into the dynamic realm of relationship astrology. This is where your technical mastery meets the human heart—where charts interact, stories merge, and the living dialogue between two souls is revealed.
In this advanced course, you’ll learn to analyze, compare, and synthesize multiple charts with precision and sensitivity. You’ll gain a profound understanding of the energetic exchanges that shape attraction, communication, and compatibility, while also developing the counseling skills to guide couples with compassion and clarity.
Students will obtain:
- Deepen your understanding of client dynamics and how to hold space for complex relational conversations.
- Learn to identify each person’s love language and relational expression through planetary and elemental signatures.
- Determine how those expressions harmonize—or challenge—each other within partnership.
- Conduct full synastry consultations that assess compatibility, communication styles, and emotional resonance.
- Explore the composite chart as a sophisticated tool for understanding shared purpose, strength, and potential areas of growth.
By the end of PCA-3, you’ll be able to interpret relationships with depth, accuracy, and empathy—equipping you to serve individuals and couples with insight that transforms not only their understanding of one another, but of themselves.
Year Two: The Practice of Predictive Astrological Mastery
Who This Course Is For
The second year of the Professional Astrologer’s Diploma Program is designed for students who have completed PCA-1 and are ready to move from interpretation to prediction. You’ll refine your ability to read charts through time—understanding not only who a person is, but when specific events and life seasons are most likely to unfold. This is the level where your practice begins to mirror that of the master astrologers of the past.
What You’ll Study
Having mastered the building blocks of natal and horary astrology, you now stand at the threshold of a deeper horizon. The principles you’ve learned in Year One become the scaffolding for a more expansive practice—one that moves beyond understanding who a person is to discerning when their most significant life events unfold.
Year Two: The Practice of Predictive Mastery
invites you to refine your skill into foresight—combining classical precision with modern application to guide others through the cycles, seasons, and pivotal moments of their lives.
Advanced Practice of Concrete Astrology Program Outline
APCA-1: Practice of Concrete Prediction I (Revolutional Astrology)
Prerequisite: PCA-3
In APCA-1, your study advances from natal delineation into the sophisticated realm of concrete prediction. Here, you’ll begin mastering the revolutional techniques that allow astrologers to forecast the unfolding of time with clarity and precision.
Building upon your existing interpretive foundation, you’ll explore the classical and neo-classical systems of Solar and Lunar Returns, along with specialized revolutional methods used by traditional practitioners to test and refine predictive statements. You’ll learn to read these auxiliary charts as dynamic extensions of the natal promise—revealing when and how key life themes emerge.
In this course, you will:
- Analyze all forms of revolutional charts with accuracy and confidence.
- Understand the scope and timing of Solar Return charts and how they frame the year ahead.
- Apply converse (reverse) timing within solar and lunar revolutional predictions.
- Use both Lunar Returns and the 12th Harmonic Solar Return to forecast monthly developments.
- Identify which transits will activate the native throughout the solar year.
- Integrate eclipses into your predictive methodology.
- Employ the Embolismic Lunation chart as a key annual forecasting tool.
- Recognize which elements of the natal promise awaken during Saturn’s Return and similar cyclical thresholds.
By the end of APCA-1, you will be equipped to practice predictive astrology at a professional level—able to delineate revolutional charts, test your predictions, and advise clients with the accuracy and authority that define OSA’s advanced practitioners.
APCA-2: Practice of Concrete Prediction II (Directional Astrology)
Prerequisite: APCA-1
The culmination of the Professional Astrologer’s Diploma Program, APCA-2 refines your ability to predict concrete life events through advanced, arc-based methods. After mastering revolutional techniques in APCA-1, you now move into the domain of Directional Astrology, where time is mapped through mathematical precision and interpretive insight.
In this course, you’ll explore secondary directions, solar arc directions, and advanced predictive systems drawn from Uranian Astrology and Cosmobiology—approaches that bring extraordinary specificity to your timing work. You’ll learn to trace planetary arcs, pinpoint activation periods, and corroborate traditional delineations with empirical evidence.
In this course, you will:
- Identify active planetary directions using both classical and midpoint-based methods.
- Integrate your chart-based predictive skills into a midpoint framework for greater precision.
- Use the midpoint listing to validate and deepen your understanding of the natal chart.
- Determine the exact day a directional combination becomes active.
- Apply the graphic ephemeris to track and interpret transits and directions visually.
By the end of APCA-2, you will practice predictive astrology at the highest professional standard—combining classical foundations with modern analytical methods to forecast concrete outcomes with clarity, accuracy, and confidence.
Begin Your Path of Mastery
Join the next generation of astrologers who are redefining excellence in our field. Begin your journey today.
Applications now open for the upcoming term. Limited seats available for our next cohort.