20 years of continuous robotic observation: the two STELLA telescopes
The STELLA robotic observatory consists of two 1.2m alt-az telescopes, which were built by Halfmann Telescopes in the early 2000s. It is located at the Izaña Observatory at the Canary Islands. It was the first robotic telescope world-wide feeding a high-resolution échelle spectrograph (R=55,000) and is still unique in...