LOTUS ( LO w-cos T U ltraviolet S pectrograph) is a low resolution optical-near UV spectrograph. The design is very simple, with no moving parts. It provides...

MAIA, the Mercator Advanced Imager for Asteroseismology is a new fast 3-channel photometric instrument MAIA, an acronym for Mercator Advanced Imager for...

Full disk resonant scattering spectrometer providing radial velocity measurements of the Sun at the Potassium KI 769.9 nm line. It belongs to the HIROS (High...

MOSCA is a direct CCD camera mounted in the Cassegrain focus. The curvature of the focal plane is corrected by a field flattener window. Actually this is the...

The Nordic Optical Telescope (NOT) is a modern 2.6-m optical/IR telescope, located at the highest site of the Roque de los Muchachos Observatory. Inaugurated in...

It will be dismounted at the arrival of GTCAO in mid-2018, and will be moved to main Cassegrain station once available (estimated in mid-2019). 7.8 x 7.8 arcmin...

PAUCam is an optical imaging camera to be used at the prime focus of the William Herschel Telescope (WHT). The camera covers 1 deg2 FoV with 18 Hamamatsu...

RINGO3 is a fast-readout optical imaging polarimeter. It uses a polaroid that rotates once per second to measure the polarisation of light entering the...