Empirical detection of a 1151-year multi-planet quasi- commensurability in the Solar System

QGIS Python script/plugin for computing azimuth, horizon altitude, and celestial declination of a specific bearing indicated by a line segment selected by a user.

A web based presentation exploring the equinoctal astronomic interrelationships evident for monuments in the Rathcroghan area.

Interactive Antikythera mechanism in your browser — pure modular arithmetic, no ephemerides, runs antikythera-spectral via Pyodide.

Original dataset for the article Solstitial arrangements of the precolumbian petroglyph complex of Támesis, Colombia, by Pablo Cuartas and Leidy Y. Arango and Manuel A. Izquierdo

Python toolkit for statistical analysis and visualization of synthetic Ramesside Star Clock data, with celestial map projections.

The astronomic interrelationships evident between locations and precincts which have an associated cursus monument.

Map based Archaeoastronomic Calculation and Exploration.

A "Many-to-One" Archaeoastronomy engine that converts cultural sky descriptions (Mayan, Chinese, Babylonian) into precise NASA-grade coordinates (J2000) and visualization scripts. Powered by Python, Skyfield (DE421), and Docker.

An interactive digital armillary sphere (渾象) — visualizing the celestial sphere, the 28 Chinese lunar mansions, and axial precession across ±3000 years. Built with Three.js and astronomy-engine.

Live versions of Kerbstone52 tools and presentations

Computational archaeoastronomy toolkit for analyzing astronomical correlations between ancient structures and celestial configurations using geometry, simulations, and statistical modeling.

A technical discussion paper exploring the original intention of the Baalbek quarry megaliths through geodetic and astronomical observations.

A robust sexagesimal and metrological engine for Babylonian mathematics. From the Eduba to the Jupyter Notebook.