Loughcrew Autumn Equinox 2005

Images by Ken Williams - ShadowsandStone.com

Loughcrew Equinox September 2005
Sunrise at Loughcrew Cairn V - 7:20am September 20th 2005.

Loughcrew - equinox sunbeam
7:31am - Autumn Equinox sunbeam illuminates the backstone of Cairn T.

Loughcrew Backstone
7:33am - The Backstone of Cairn T - 7:33am

Loughcrew sun beam
7:56am - As the sun rises in the sky the beam of light moves down the stone.

Loughcrew sunbeam
8:03am - The last of the sunbeam on the backstone (top left of image).

Loughcrew chamber
8:17am - In the chamber of Loughcrew Cairn T.

Light Years Ago by Tim O'Brien Light Years Ago: A Study of the Cairns of Newgrange and Cairn T Loughcrew, Co. Meath, Ireland by Tim O'Brien shows that the symbols of the sun engraved on the backstone of Cairn T at Loughcrew are precisely positioned to measure solar movement. A beam of light from the rising sun around the time of the March and September equinoxes is mapped on the backstone.

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Loughcrew Video - Spring Equinox 2005

The progress of the sunbeam on the backstone inside Cairn T at Loughcrew was video recorded at sunrise on the morning of March 23rd 2005. The 50 minute video has been compressed to 1 minute 46 seconds and included in the following YouTube Video.

Gossan Stones Equinox Sunrise Alignment

Gossan Equinox Sunrise Alignment
The Equinox Sunrise is framed by the Gossan Stones in the Wicklow Mountains.

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