The WG originated at the General Assembly meeting of the IAU in Buenos Aries in August of 1991. It stemmed from the amalgamation of two former Working Groups: the formal IAU WG on Astronomical Photography" and the informal group on "Digitised Optical Sky Surveys".

The Organising Committee comprises a Chairperson, Secretary and 8 Ordinary Members. The WG has a mailing list of some 200 active participants. Information is circulated to members by means of a Newsletter which is distributed twice-yearly. Large meetings are generally organised with a 2 or 3 year time interval.

Previous meetings organised by the WG include

• "Astronomy from Wide-Field Imaging", IAU Symposium No.161, held in Potsdam, Germany in August of 1993.
• "Digitised Optical Sky Surveys", Astrophysics and Space Science Library No.174, held in Edinburgh, Scotland in June 1991.
• "Digitised Optical Sky Surveys", held in Geneva, Switzerland in May 1989.

IAU Symp.179

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Brian McLean ---- mclean@stsci.edu