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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.

The Commission urgently needs a new webmaster to take us forward to the Beijing GA and possibly into the next triennium. If you are a member of the Commission willing to take on this task, please contact Clive Ruggles, who is still acting as the Commission’s webmaster on an interim basis, or to any other member of the C41/ICHA Organizing Committee.
STOP PRESS
C41/ICHA meetings at the IAU General Assembly
The provisional programme of the Commission and its Working Groups’ business and science meetings at the Beijing GA is now available.
The announcement includes calls for contributions for the Commission session on Field expeditions and two Working Group science sessions.
Elections for the OC 2012–2015
Information on the nomination and election process for the Commission’s Organizing Committee for the forthcoming triennium (2012–2015) is available here.
TS
Proceedings of ICOA-7
The proceedings of the International Conference on Oriental Astronomy (ICOA–7) are available from Mitsuru Soma

IAU S278 Proceedings
are now available
Archaeoastronomy and Ethnoastronomy: Building Bridges between Cultures
(the 9th “Oxford” International Symposium on Archaeoastronomy)
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 printed edition of the ICOMOS–IAU Thematic Study on the Heritage Sites of Astronomy and Archaeoastronomy is now available

SpS5 - IAU GA Rio
The proceedings of the Rio GA Special Session on “Accelerating the Rate of Astronomical Discovery” have been published in Proceedings of Science