Modern Acquisition and Guiding systems provide a range of services with the aim of optimizing telescope performance. These include wavefront sensing for active...

We present a short summary of the activities developed by GUAIX, the UCM Group of Instrument and Extragalactic Astrophysics. At present we are focused in the...

We present a short summary of the activities developed by GUAIX, the Universidad Complutense de Madrid (UCM) Group of Extragalactic Astrophysics and...

The front-ends of astronomical research are linked to new telescope improvements, like the building of 10 m-class (and probably larger in a near future)...

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IAUC 7219 available at Central Bureau for Astronomical Telegrams.

The black hole X-ray binary (BHXB) GX 339-4 continues to fade in the optical, and has now reached its faintest optical flux since (at least) the start of its...