List of Figures

Figure 1: The Cúil Irra peninsula (after Bergh 1995) showing seasonal axis

Figure 2: Plan of Carrowmore passage tomb complex

Figure 3: The Listoghil chamber (after Burenhult 1998b, Figure 12)

Figure 4: View of Listoghil chamber from east

Figure 5: Listoghil in the late 1800s (after William Wakeman, reproduced in Borlase 1897, 166)

Figure 6: Listoghil, restored. (Photo: Thorsten Kahlert. Reproduced with permission)

Figure 7: Listoghil plan and section. Bottom section: the mound pre-excavation, based on Burenhult totalstation data (1998b, Fig. 3)

Figure 8: The saddle, with the Ballygawley Mountains to the right

Figure 9: Images of sunrise at Listoghil, 31 October 2008. (Photo [bottom left] Jean Ryan: reproduced with permission). Top right: sunrise, 11 February 2009

Figure 10: The 'spear of darkness' on the under side of the roof-slab of Listoghil, 10 February 2010. Close-up taken from the floor of the chamber, 11 February 2011

Figure 11: The original mound re-modelled in Google SketchUp (based on Burenhult 1998b, Fig 3.)

Figure 12: Animation: Google Sketchup simulation of the progress of the shadow spear. Simulation 1; 31 October 2010, simulation 2; 11 October 2010 and simulation 3; 21 December 2010

Figure 13: Sun positions in 2010 AD (purple arrows) and in 3550 BC (white arrows) compared at the same time of year; left, on 31 October (Gregorian calendar) and right, during the winter solstice

Figure 14: Animation: Artistic impression showing the difference in sun position at winter solstice as viewed from Listoghil. Horizon synthesis kindly provided by Ferdinando Patat for this article (reproduced with permission)

Figure 15: Panorama of the horizon around Listoghil with seasonal sun positions marked

Figure 16: Close-up view of saddle from the west. The embankment marking the barony boundary can be seen to the left.

Figure 17: Elevation profiles, Cúil Irra Peninsula (after Google Earth). Elevation exaggerated by a factor of three. Top: profile W-E. The Atlantic ocean to the west, Lough Gill to the east. Centre: profile N-S. The Carrowmore complex occupies the most elevated position here, straddling twin ridges running E-W. Bottom: profile along ESE-WNW axis

Figure 18: Carrowmore 26 (after Burenhult 1980a, 42-3.)

Figure 19: The Mound of The Hostages, Tara, 1 November 2011, 7.31am

Figure 20: Footprint stone, K43, Listoghil

Figure 21: Sunrise over Cailleach a Bhérra's House, 3 December 2008


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