ESO operates two major telescopes (3.6m telescope and New Technology Telescope (NTT) at the La Silla Observatory. They are equipped with state of the art instruments either built completely by ESO or ...

The ESO 3.6m Telescope was commissioned in 1977, and completely upgraded in 1999. In 2004 a new secondary mirror cell was manufactured, improving considerably the image quality of the telescope. In ...

Apart from the individual email addresses given below the SPHERE IOT can be reached best via the generic SPHERE email account sphere@eso.org ...

Extensive extinction measurements were made by Dr. H. Tug, using the 0.6-m Bochum telescope (see below). No correlation was found between extinction coefficients and direction of observation, and ...

The opto-mechanical parts of the instrument are all contained within a cryostat, operated at a temperature of 120K, while the electronics are on the Nasmyth platform and inside the cable rotator ...

Paranal Science Operations (PSO) is the department of the European Southern Observatory responsible for the scientific operation of the telescopes at the Paranal Observatory site. These facilities ...

Revealing hidden stars and galaxies: new MOONS instrument at the Very Large Telescope makes first observations ...

NAOMI is the Adpative Optics that are used with VLTI/ATs. It consists in four sets of deformable mirrors with 241 actuators , 4x4 Shack-Hartman sensors and SPARTA Real Time Control operating in the ...

Experience spring at ESO's Paranal Observatory: slots now open for free public tours from October through December ...

Several teams provide support in regard to ESO's telescopes and instruments, e.g. support for observing proposal preparation and submission, observation scheduling, data flow operation, information ...

For the following ESO conferences and workshops you can find presentation slides and posters on Zenodo.

In order to make ESO-authored SPIE manuscripts easily retrievable, we provide access to the manuscripts and posters presented at the SPIE conference on Astronomical Telescopes + Instrumentation held ...