Prof. Dr. Günther Oestmann
 


Heinrich Rantzau and the Power of the Stars
https://www.youtube.com/watch?v=v0HmRl0MYjI

On the Geoheliocentric World System of Nicolaus Raimarus Ursus and its Mechanical Execution
https://www.youtube.com/watch?v=EC0kJU89kdQ

Ignorance, Pitfalls and Scribal Errors: On the Proper Assessment of Historical Horoscopes of the Early Modern Period (Astra Project Conference The Tools of the Art: New Perspectives on the History of Astrological Doctrines and Practices, Batalha/Portugal, 7.5.2023)
https://www.youtube.com/watch?v=b3i_yM42Xh8&list=PLkqlBL5O0QWcP6inFigOYMpWWlBAyZD6k&index=9

Peter Schiller (1947–2013): Astrology and Art (Obituary)
https://theastraproject.org/peter-schiller-1947-2013-astrology-and-art/

Horoscopes and Practices of David Fabricius
https://theastraproject.org/horoscopes-and-practices-of-david-fabricius-with-gunther-oestmann/
Johann Wilhelm Pfaff’s „Astrologie“ (1816)

https://theastraproject.org/johann-wilhelm-pfaffs-astrologie-1816-with-gunther-oestmann/
Changing the Angle of Vision: Astrolabe Dials on Astronomical Clocks (XXXIIIth Scientific Instrument Symposium, Tartu: Plenary Session Astrolabes Old and New, 29.8.2014)
https://uttv.ee/naita?id=20217&keel=eng#