From what I can remember, this was held in October 1984. It was organised by Norman Walker,
one of the RGO astronomers, to show how amateurs could build a simple photometer (using a
photomultiplier tube) and take useful scientific observations. Other attendees brought along
photometers which they had built and some with the data being processed by the then popular
BBC computer. This was in the days before CCD cameras were readily available to amateurs.
The official group photo, but can't see myself in it. Other members from the CAS who attended
were John Yewen (front row left) and Norman Fisher (back row second right). I also recognise
Dr John Mason (fourth row up and second from the left).
THE LECTURE ROOM IN THE CASTLE
Showing Norman Walker (the symposium organiser) about to make a start.
THE VIEW ACROSS THE BATTLEMENTS FROM MY ROOM
VIEW OF THE EAST WING OF THE CASTLE SHOWING THE MOAT