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21st of October 2021
Parkes 60th Anniversary
The Parkes telescope was inaugurated on October 31st, 1961, and in the lead up to its 60th anniversary, we are featuring images from the CSIRO Radio Astronomy Image Archive. Today's image is from 1961 and shows the installation of focus cabin. The 64m telescope is a prime focus design, with the receivers placed in the focus cabin. (This is in contrast to the Australia Telescope Compact Array, for example, which uses Cassegrain optics and has a subreflector located just in front of the prime focus, redirecting the radio waves to the receivers placed under the dish surface.)

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