Out of the four VLT Unit Telescopes, three have had first light and of those, one is in full scientific operation. So the VLT style Telescope Control Software is in regular operation on three out of four originally foreseen telescopes, and is being installed and tested on the fourth. In fact, it is actualy installed and successfully operating on a whole family of ESO telescopes: the NTT, the 3.6m La Silla, the Seeing monitor telescopes on Paranal and La Sila. That means that this software is installed and running on a total of eight telescopes of different kinds, for the moment. The three Auxiliary telescopes of the VLT interferometer and the VLT Survey Telescope, now in the development phase, will join the family.
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