Symposia

Details on IAU Symposia can be found in the IAU Information Bulletins.

1970
August
Aug 11 - Sep 13	IAUS 42	White Dwarfs	St. Andrews, Fife United Kingdom
Aug 10 - Aug 14	IAUS 44	External Galaxies and Quasi-Stellar Objects	Uppsala Sweden
Aug 10 - Aug 14	IAUS 41	New Techniques in Space Astronomy	MÃ¼nchen Germany
Aug 5 - Aug 7	IAUS 46	The Crab Nebula	Jodrell Bank United Kingdom
Aug 4 - Aug 11	IAUS 45	The Motion, Evolution of Orbits, and Origin of Comets	Leningrad USSR
April
Apr 21 - Apr 23	IAUC 7	Proper Motions	Minneapolis, MN United States
1969
October
Oct 26 - Oct 31	IAUS 40	Planetary Atmospheres	Marfa, TX United States
September
Sep 15 - Sep 19	IAUC 6	Mass-Loss and Evolution in Close Binaries	Elsinore Denmark
Sep 8 - Sep 18	IAUS 39	Interstellar Gas Dynamics	Yalta USSR
Sep 8 - Sep 10	IAUC 5	Coordination of Observing Techniques of Visual Double Stars	Nice France
Sep 8 - Sep 11	IAUC 4	Stellar Rotation	Columbus, OH United States
August
Aug 29 - Sep 4	IAUS 38	The Spiral Structure of our Galaxy	Basel Switzerland
Aug 22 - Aug 26	IAUC 3	Interstellar Dust	Jena Germany
June
Jun 24 - Jun 27	IAUS 36	Ultraviolet Stellar Spectra and Related Ground-Based Observations	Lunteren Netherlands
May
May 8 - May 10	IAUS 37	Non-Solar X- and Gamma-ray Astronomy	Roma Italy
April
Apr 16 - Apr 19	IAUC 2	Spectrum Formation in Stars with Steady-State Extended Atmospheres	MÃ¼chen Germany
1968
November
Nov 4 - Nov 5	IAUC 1	The Problem of the Variation of the Geographical Coordinates in the Southern Hemisphere	La Plata Argentina
September
Sep 12 - Sep 17	IAUC XIX	Mass-Loss from Stars	Trieste Italy
Sep 5 - Sep 9	IAUC XVIII	Non-Periodic Phenomena in Variable Stars	Budapest Hungary
1967
Sep 4 - Sep 8	IAUS 35	Structure and Development of Solar Active Regions	Budapest Hungary