Chronos-Loom

ASTRONOMICAL ASTROLABE OF ALEXANDRIA // STEREOGRAPHIC CELESTIAL ENGINE

LAT 31°12'N // ALEXANDRIA TYMPAN
SOLAR TIME: 14:32 // EQUAL HOURS
SUN: 23° VIRGO
ROTATE CELESTIAL RETE (SKY) 145°
DRAG SLIDER OR DRAG CANVAS DIRECTLY TO SPIN CELESTIAL SPHERE
ANNUAL SOLAR POSITION (ZODIAC) SEPTEMBER EQUINOX
SLIDE ACROSS 360° ECLIPTIC (SPRING ARIES TO AUTUMN LIBRA)
PLANETARY HOUR
8TH HOUR OF DAY (MARS)
HORIZON CROSSING
SUN ABOVE HORIZON (DAY)

Ancient Navigation Stars Engraved on Rete

Each flame-shaped pointer on the pierced brass rete marks the exact celestial coordinates of an ancient navigational star. Tap any star to align the astrolabe:

Alhabor (Sirius)
Canis Major // Mag -1.46
Brightest star in the night sky. Used for the Egyptian Sothic year reckoning.
Wega (Vega)
Lyra // Mag 0.03
Brilliant blue-white vertex of the Summer Triangle.
Alramech (Arcturus)
Boötes // Mag -0.05
Golden-red giant, fourth-brightest individual star in Earth's sky.
Aldebaran
Taurus // Mag 0.85
The eye of the Bull, fiery red-orange anchor of winter navigation.
Calbalakrab (Antares)
Scorpius // Mag 1.06
The heart of the Scorpion, rival of Mars in vivid red hue.
Azimech (Spica)
Virgo // Mag 0.98
The ear of wheat held by the Virgin, anchor of Hellenistic zodiac measurements.

Hipparchus & Axial Precession of Equinoxes

In 127 BC, astronomer Hipparchus of Nicaea compared his star catalog with Babylonian observations from centuries earlier and discovered that Earth's rotational axis slowly wobbles like a dying top, completing one full cycle every 25,772 years:

ERA HORIZON: MODERN ERA (YEAR 2026 CE)
200 BC (Alexandria / Hipparchus) 1000 CE (Baghdad House of Wisdom) 2026 CE (Today)
Pole Star Drift: In 150 BC, our modern North Star (Polaris) was more than 12 degrees away from true celestial north! Ancient navigators measured the center of rotation near Kochab in Ursa Minor.
PTOLEMY
CANON
ALEX

Horary Ephemeris Record

ASTRONOMICAL READOUT FOR AUTUMN EQUINOX // CODE: CHRONOS-2026-09-15

STEREOGRAPHIC PROJECTION: Northern Polar Projection (from South Pole)
LATITUDE PLATE (TYMPAN): 31°12' N (Alexandria, Egypt)
SOLAR DECLINATION: +1° 42' North (Equinoctial Transit)
SIDEREAL ASCENDANT: Scorpio 14°
CELESTIAL EQUINOX COUNTDOWN: 7 Days until Autumnal Crossing

This record confirms the mathematical harmony of the celestial sphere. Before clock pendulums or atomic quartz vibrations, the motion of light across brass plates measured the passage of human existence under the stars.