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DuVal Auditorium, Banner-University Medical Center

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1501 N Campbell Ave
Tucson, AZ United States

November 2019

David Purcell – Seasons in the Sun: Experimental Time-lapse Photographic Documentation of Archaeoastronomic Sites

November 18 @ 7:30 pm - 9:00 pm
DuVal Auditorium, Banner-University Medical Center, 1501 N Campbell Ave
Tucson, AZ United States
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 Previous documentation of petroglyph panels with apparent archaeoastronomical associations at Horseshoe Mesa (WS834) in Wupatki National Monument, Arizona, raised questions about the recording methodologies. The solar effects had been documented only on solstices and equinoxes, using tightly cropped still photographs, “freezing” a moving event and removing the interaction from the context of the panel. This project sought to test the validity of this common approach by recording the daily sun and shadow interactions on petroglyph panels 39 and 50 at…

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