NEW: 29 Nov. 2013Dark Times - Solar Eclipses in the Black Book of Basingwerk - CLICK HERE (PDF file 113 KB)
Updated: 1st March 2013The Long Man of the Sky - Valle Crucis abbey and the archaeoastronomy of Dinas Bran - CLICK HERE (PDF file 2810KB)
The latest version is based on a revised model of the Coed Hyrddin landscape, with new findings.
Updated: 21.5.2012Counting Down the Moon - the Astrology of Gutun Owain - CLICK HERE (PDF file 95 KB)
A memorial for Saint Bernard? Archaeoastronomy and Sacred Geometry at
Valle Crucis abbey - CLICK HERE (PDF file 439 KB)