Goseck Circle

Central European Neolithic Culture, dated from 4900 B.C.E. to 4700 B.C.E., located in Burgenlandkreis of Saxony-Anhalt. It is the oldest Circle among 140 other wooden Circles, used as solar and lunar observatories, found in the Elbe and Danube Region. Goseck measured the sunrises and sunsets of Winter and Summer Solstices, probably for ritual and agricultural planting cycles.

Elevation is 163 meters (534 feet) above sea level.

Materials: Wooden poles and earthen berms and moats.

Data for CG model:
1. Ritterstad, Marianna, 2015. The orientation of the northern gate of the Goseck Neolithic rondel, University of Helsinki, Observatory.
https://arxiv.org/pdf/0910.0560.pdf.
2. Google Earth was used for scaling.