2.2.2 spase://SMWG/Instrument/OAC/OACT OACT (VSO notation) 2012-04-12T00:00:00Z The Catania Astrophysicsl Observatory (OAC) Telescope (OACT) used for solar observations has a Ha Lyot-filter (bandwidth of 0.25 - 0.50 Angstrom, tunable filter range +/- 16 Angstrom) and a 1360 x 1200 Astromed TE4 CCD array. In patrol full-disk mode the camera can taken images every 60 s, with a dynamical range of 16 bit. It has an H-alpha Halle filter with a camera for limb observations. It has a 150 mm refractor with a focal length of 230 cm. A Cook refractor is used to make daily drawings of sunspot-groups from visual observation. See http://web.ct.astro.it/sun/instrument.htm. spase://SMWG/Person/Francesca.Zuccarelli GeneralContact spase://vspo/instrument/171 Imager OACT (VSO notation) on OAC spase://SMWG/Observatory/OAC