The SuperWASP cameras are wide-field imaging systems at the Observatorio del Roque de los Muchachos on the island of La Palma in the Canary Islands, and at the...

This paper describes the wave-front correction system developed for the Sunrise balloon telescope, and it provides information about its in-flight performance...

WEAVE, the new wide-field, massively multiplexed spectroscopic survey facility for the William Herschel Telescope, saw first light in late 2022. WEAVE comprises...

Imaging of the solar surface from ground based telescopes has achieved to be diffraction limited almost ten years ago, while diffraction-limited...

We report transmission measurements at cryogenic temperatures for 4 broad-band filters of the Mauna Kea Observatories (MKO) near-infrared filter set and 5...

Context. Spectropolarimetry at high spatial and spectral resolution is a basic tool to characterize the magnetic properties of the solar atmosphere. Aims: We...

In this paper the description of the Solar Correlation Tracker prototype built by the Instituto de Astrof isica de Canarias is presented. The system is mainly...

The GTC project office is continuing to develop the plans for the commissioning of the GTC. The commissioning will start before first light, and will continue...

Recent studies on the comparison between the Multi Aperture Scintillation Sensor (MASS) and Generalized Scintillation Detection and Ranging (G-SCIDAR) profiler...