What's new in 3.0
⊕ Astrolabe
Full stereographic projection — Tympanum (horizon, almucantars, azimuths) + Rete (ecliptic, planet pointers, fixed stars). Classical limbo with 360° graduation.
⊞ Ephemeris Dashboard
Complete real-time table: ecliptic λ/β, RA/Dec, altitude, azimuth, distance (AU), angular velocity. Rise/Set with Meeus Ch.15 3-point interpolation + ΔT correction.
🗺️ Natal Chart SVG
Full wheel renderer with zodiac band, house cusps, aspect lines, essential dignities. Synastry bi-wheel. Exportable as SVG.
⊗ Eclipse Calculator
Solar and lunar eclipses via Meeus Ch.54. Total/annular/partial. Geolocation visibility. Click any row to jump the engine to that exact moment.
☽ Panchanga
All 5 Vedic elements: Tithi, Vara, Nakshatra, Yoga, Karana. Lahiri Ayanamsa with 2nd-order precession (Lieske 1977). Real-time countdown to next change.
⚭ Synastry
Cross-chart aspects with symbolic weighting, house overlay, antiscia. JSON + text export.
Precision upgrades
- IAU 2000B nutation (< 1 mas, replaces IAU 1980)
- ELP/MPP02-LLR Moon (LLR-calibrated, replaces ELP2000)
- VSOP87B Mercury full series (122 terms)
- ΔT extended table 500–2150 CE
- Rise/Set accuracy < 1 minute
Live Demo
→ https://hermeticalabs.github.io/caelis-engine
No install required
Open index.html in any modern browser. Zero dependencies.