mega-what / prehistoric horizon calendars / Ireland, Kerry, Beara, Lauragh

Shronebirrane Stone Circle: 360° N centred

North centred panoramic view with luni-solar trajectories c.1200BCE from Shronebirrane Multiple Stone Circle, Kerry, Ireland. North is accurately marked by a hilltop. Northern lunistices span a dip to the east and a hilltop to the west. South is indicated by a hilltop but is right of it, with high horizons cutting off many southern rises and sets. Summer solstice sunrise is in the dip at the seaward end of the valley with cross-quarter on the hilltop above it. Winter solstice sunset is in the lowest dip at the landward end of the valley with winter cross-quarter in a wider notch at the right-hand intersect with nearer ground. Lunistice cycle mid­point is at the left hand intersect. The left intersect of that same ridge with a local hill marks the equinox.
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© Michael Wilson.