http://apod.nasa.gov/apod/astropix.html
http://apod.nasa.gov/apod/image/0803..._white_big.jpg
The telescopes were pointing to Cen A (NGC 5128) at time. An astronomer in Germany was controlling them.
Graeme was observing by remote control with the Mopra telescope in the Warrumbungles.
Both radio telescopes operate 24 hours a day and the telescopes are surprisingly quiet.