mega-what / prehistoric horizon calendars / Ireland, West Clare, Doolin

Teergonean Ring Barrow CL008-071: Luni-solar sets

West centred view with luni-solar trajectories c.1200BCE from Teergonean Ring Barrow, Clare, Ireland. The equinox / summer cross-quarter midpoint is over a hump and it looks like the summer cross-quarters are too.
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© Michael Wilson.