Banner Photo IAU IUHPS/DHST
Old Observatory, Beijing
Welcome to the C41/ICHA website
This website contains latest news and reports as well as further information on the Commission‘s structure, Working Groups, aims, history, recent activities, etc, and archival materials and documents.

Please communicate suggestions, news, ideas, and other materials to Sun Xiaochun, who will be taking over very shortly as the Commission’s webmaster, or to any other member of the C41/ICHA Organizing Committee.
STOP PRESS
The ICOMOS–IAU Thematic Study is now available for download
The ICOMOS–IAU Thematic Study on Heritage Sites of Astronomy and Archaeoastronomy in the context of the UNESCO World Heritage Convention has been presented to, and endorsed by, the UNESCO World Heritage Committee at their 2010 meeting in Brasilia. The electronic version is now available for download from the Astronomy and World Heritage Working Group website here.

The June ICHA Newsletter (no. 10) is now available
Click here to download the latest ICHA Newsletter. For back issues see here.
Commission members wishing to supply contributions should contact the editor-in-chief Ileana Chinnici or any other member of the editorial board (Brenda Corbin, Teije De Jong, Rajesh Kochhar or Sun Xiaochun). Please supply short news items to Brenda Corbin.
ICOA-7
The Seventh International Conference on Oriental Astronomy (ICOA-7) will be held in Tokyo, Japan, on 6–10 September 2010
Astronomy and World Heritage
IAU Working Group on Astronomy and World Heritage
The Commission’s Astronomy and World Heritage Working Group is working with UNESCO to advance their Astronomy and World Heritage Initiative

ICOMOS–IAU Thematic Study
The ICOMOS–IAU Thematic Study on the Heritage Sites of Astronomy and Archaeoastronomy is now available for download

Oxford IX conference
Archaeoastronomy and Ethnoastronomy: Building Bridges between Cultures (IAU Symposium 278) will be held in Lima, Peru, in January 2011