Rozhen National Astronomical Observatory, Chepelare, Bulgaria
Observational facility located in Rodopa mountain, with three telescopes for optical observations of comets, asteroids, stars, star clusters and galaxies and a telescope for observations of the Sun.
Perek 2-m Telescope, Astronomical Institute of the Czech Academy of Sciences, Ondřejov, Czech Republic
Telescope located south-west of Prague, equipped with a single-order spectrograph and an echelle spectrograph.
NOT (Nordic Optical Telescope), La Palma, Canary Islands, Spain
2.56m telescope owned and operated in collaboration at the Observatorio del Roque de los Muchachos (La Palma, Spain).
MAO (Molėtai Astronomical Observatory), Vilnius University, Kulionys, Lithuania
Observatory with a 1.65 m Ritchey-Chretien telescope with VUES spectrograph, located 70 km north of Vilnius.
ChETEC-INFRA collection dates and user times: