June 9

Johann Galle & the Occult Neptune

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He discovered it “with the point of his pen.”

Or so claimed French astronomer François Arago, describing his colleague Urbain Le Verrier’s achievement in predicting the existence and position of an unknown planet entirely through mathematical calculations—before any human eye could confirm it was there.

It was during the summer of 1846 that Le Verrier noticed that the orbit of Uranus had been behaving strangely. Something else was out there, he suspected, pulling Uranus off its predicted course. He surmised another planet must exist, and so wrote a letter to a German astronomer he had never met, and asked him to look. That astronomer was Johann Gottfried Galle, born in Radis, Prussia on this date in 1812.

Galle received Le Verrier’s letter on the morning of September 23, 1846 and, that very night, grabbed his assistant, Heinrich Louis d’Arrest, and headed to the Berlin Observatory. He aimed that facility’s state-of-the-art Fraunhofer refractor at Le Verrier’s predicted position and began comparing the sky against the most recent star chart. Within only an hour, Arrest spotted a point of light that didn’t appear on the chart. “That star is not on the map,” he told Galle. That “star” would soon become recognized as the eighth planet—Neptune. Galileo had observed it in 1613 without recognizing what it was but, now, the planet could be observed properly, categorized, and studied. Until his death at the age of ninety-eight, Galle refused to claim the discovery for himself, insisting the glory belonged to Le Verrier.

And so, even the tale of Neptune’s discovery fits squarely into occult philosophy—a planet found not by looking, but by thinking. It is, after all, the planet of the unseen.

A Discovery in Ink

Of course, every planet discovered before the invention of the telescope was found by naked-eye observation—a bright wandering light within a field of fixed stars. That is, until Uranus broke the tradition in 1781, when it was discovered through an early telescope by William Herschel who, initially, believed it to be a comet. But even then, Uranus was found through Herschel’s direct observation, leading to months of study before he correctly identified it as a planet. Neptune, however, was very different; No one saw it first, as Le Verrier had correctly deduced it. He followed the invisible thread of Uranus’s gravitational waves backward to their source and used that information to complete to graft a set of coordinates.

Within the Western Esoteric tradition—specifically Astrology—Neptune is already associated with this exact mode of knowing: the intuitive, the pre-rational … the apprehension of realities that exist beyond what direct senses can confirm. Within that mode of thinking, Neptune’s domain is the ocean floor of consciousness—the deep place where individual perception dissolves into something larger, and where the boundaries between self and world become permeable. Le Verrier’s deduction of a new planet without having seen it with his own eyes is, in itself, a perfect example of Neptunian act of cognition: the mathematical equivalent of second sight.

Neptune’s Occult Heritage

Neptune’s official discovery also had enormous repercussions within the world of the occult. An Astrological tradition developed wherein the planet was assigned rulership over a specific domain of the human experience—one that works around a single principle: the dissolution of boundaries. Neptune governs the mystical and the transcendent, the direct experience of unity, and—perhaps most importantly to those who practice ceremonial magic and Thelema—the dissolution of the individual ego into a new state of consciousness. Whether through divination, ritual, or focused spiritual meditation, Neptune was and remains associated with the mystic’s union with the divine, the artist’s “flow state,” and the moment when a listener “loses themselves” to the music.

Relatedly, the eighth planet from the sun is also known for its association with the realms of dream and vision. To many esoteric practitioners, the images that arises within the unconscious during REM sleep, a medium’s clairvoyant perceptions, and even an unintentional prophetic dream are all thanks to the spirits surrounding Neptune. In the Hermetic tradition, this is the astral plane. Additionally, Neptune is believed to govern feelings of compassion and empathy—the very ability to feel another person’s experience as one’s own; hence, “the dissolution of boundary.” On a larger philosophical level, this can be seen as recognition that the separateness of individual consciousness is, at some level, an illusion—and that we are all one within an expansive, cosmic singularity.

Any esoteric symbol, namely a sigil, having to do with Neptune is easily recognized as trident always found in the hand of the mythic figure who gave the planet its name. That three-pronged weapon that rules the sea was chosen as the symbol for very specific reasons: the structure of the symbol is precise and symmetrical—a cross of matter at its base, from which two distinct arcs rise upwards like the waves of the ocean breaking; the cross represents the material world, while the upward-aimed arcs are meant to symbolize the human spirit’s yearning to transcend. Taken together, the full sigil marking wordlessly, yet perfectly, describes Neptune’s ultimate tension: the soul longs to dissolve into the oceanic void of singular oneness—yet it is contained in a body that must remain in its current form in order to survive until the time of dissolution.

Likewise, within the Kabbalistic Tree of Life, Neptune is associated with the Sephirah Netzach—“Victory,” the sphere of Venus and the creative imagination, and the realm where emotion, beauty, and the artistic creation coexist. However, some modern Kabbalistic astrologers place Neptune in correspondence with Binah—“Understanding,” the dark mother, the great sea of consciousness from which all form emerges and to which all form returns. Binah is also the womb of creation, and the vast darkness behind the first light of Kether, recognized as the ocean of potentiality that precedes manifestation of ideas and action. (Traditionally, this was associated with the sphere of Saturn, but the deeper resonance with Neptune—the god of the sea, the planet of dissolution, the ruler of the waters above the earth and sand—does make thematic sense.) The Golden Dawn, whose system incorporated the outer planets as extensions of the traditional astrological framework, worked with Neptune’s energies in the context of the higher mystical grades—the levels of initiation at which the individual ego begins its dissolution into the greater whole. To the Order, the Abyss that separates the lower seven Sephiroth from the supernal triad of Kether, Chokmah, and Binah is Neptune’s domain, acknowledging the crossing of the Abyss as the dissolution of the personal self, the surrender of all attachments and identities, the plunge into the oceanic consciousness that precedes re-emergence as an Adept—a philosophy that carried over into one of Aleister Crowley’s most crucial lessons within Thelema.

Galle’s Legacy

Johann Gottfried Galle died on July 10, 1910, having outlived the century in which he made his discovery—and having seen the astrological and occult traditions absorb Neptune into their systems. He was alive to witness the Spiritualist movement rise, the Theosophical Society founded and flourishing, and the establishment of the Hermetic Order of the Golden Dawn and its dissolution. His discovery—although, again, he’d shrugged off such solo acknowledgement—brought new spiritual discoveries and interpretations to each group.

Of his modesty, Galle was right and wrong simultaneously: Le Verrier may have found Neptune with his pen, but it was Galle who pointed the telescope at the right piece of sky on the right night and heard his assistant say: “That star is not on the map.” As with any true magical philosophy or system, while faith and belief is the compass, there always must be a standard for testing hypotheses; just look at Aleister Crowley or Peter J. Carroll. Someone always has to look, has to be present in that moment when the invisible becomes visible, and to record the changes—both internal and external—that the new discovery means.

Following his discovery, Galle spent the rest of his life and career doing just that. He remained methodical, precise, and utterly reliable as a true man of science, pointing instruments at the sky and recording what they revealed. Ultimately, he catalogued 414 comets, as well as measured the Earth’s magnetic field, later dedicating forty-five years serving as the director of Breslau Observatory, while quietly producing over two hundred scientific papers.

Neptune may have orbited the sun for as long as the solar system has existed, but humanity only officially noticed it thanks to Johann Galle, who lived for nearly a century—long enough to see his discovery change the way the world understood the cosmos, the visible and the invisible alike.

(Every day, Modern Occultist News will present "This Day in Occult History" and will dive into the birthdays, rituals, breakthroughs, and crucial moments that shaped today's many esoteric traditions. From the Hermetic revival to Witchcraft, from Crowley to cyberspace, we'll bring the best stories and latest trends to today's own modern occultists everywhere.)

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