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Stockert 25-m radio telescope

Built on a hill west of Bonn in 1955, the Stockert 25-m telescope was operated for some time by the Max-Planck Institute for Radio Astronomy (MPIfR) Bonn, before being taken over by the Radioastronomical Institute of Bonn University (RAIUB).

View of the 25-m Stockert telescope, which operated at wavelengths down to 11 cm. Originally built as a prime focus instrument, it had at the time when this photo was taken been modified into a Cassegrain system.

For a few weeks this was the largest radio telescope in the world, but then the WSRT went into operation in the Netherlands. The Stockert telescope was decommissioned in the 1990ies. Like many others, as a student I worked there in the late 1980ies as a part-time telescope operator.

Here the 25-m telescope is seen behind the old 10-m solar telescope

In the 1970ies and 1980ies the Stockert telescope was used to participate in all-sky radio continuum surveys at 21 cm wavelength (1420 MHz) and 11 cm (2.70 GHz).

Aerial view of the Stockert observatory