mega-what / prehistoric horizon calendars / Ireland, West Cork, Bantry

Derreengreanagh Wedge Tomb: 360° N centred

North centred panoramic view with luni-solar trajectories c.1800BCE from Derreengreanagh Wedge Tomb, Cork, Ireland. North is slightly right of the highest distant peak. South is at the end of a ridge, right of the highest point and left of a wide dip. South major standstill moon rises and sets are both on hilltops. To the west, the intersect of sea and slope is three weeks south of the equinox and the north lunistice zone spans a rise. To the east, the intersect of flat and slope is two weeks south of the equinox and the north lunistice zone runs down a slope.
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© Michael Wilson.