For the SEAC conference in Graz (2018) and for the Proceedings the motto "Harmony and symmetry - celestial regularities shaping human culture" was chosen. There were at least two strong reasons for this motto: First, the connection between astronomy and human culture has an extremely long tradition, and one of its absolute high points is the astronomer Johannes Kepler, who spent his entire life searching for the relationship between the movement of heavenly lights and ideas about harmoniou...

'Computational History' derives history from data and nowadays, therefore, relies on the technologies of the digital humanities. 'Computational History of Science' addresses questions of history by evaluating historical data, e.g. for tracing back copying traditions and conclude on transfer and transformation of data and knowledge. The term 'Applied Historical Astronomy', in contrast, tries to address questions of contemporary science by evaluating historical data in comparison with most r...

This book "Astronomy in Culture - Cultures of Astronomy" provides a cultural history of astronomy. After a keynote on the efforts to protect the dark sky as an intangible global heritage admired of all cultures under the World Heritage Convention, tangible places of astronomical heritage are described. Archaeoastronomical sites from different continents and astronomical observatories from the late Middle Ages to the 21st century are presented as cultural heritage (material culture) in Chap...