Full Name Centro Astronómico Hispano en Andalucía (Calar Alto Observatory) Images Image Description The CAHA 1.23m telescope was the first telescope built at the Calar Alto Observatory and had its first light in 1975. It is a Ritchey-Chrétien reflector primarily used for optical imaging and photometry with a high-quality CCD camera or the ASI461MM. Additionally, it is utilised for various outreach activities with an eyepiece. Location Gérgal, Calar Alto Observatory ,Sierra de los Filabres Country Spain URL https://www.caha.es/ Contact Person Jorge Iglesias Contact E-mail jiglesia@caha.es