2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124762A muon telescope based on 8 water cherenkov detectors was mounted at Basic Environmental Observatory - Moussala - Institute for Nuclear Research and Nuclear Energy - Bulgarian Academy of Science. The telescope will be used for continuous measuring the intensity of the muon component of cosmic rays, exploring its variations and possible correlations with environment parameters. A detailed description of the device is presented in this paper.6 pages, 5 figures ; 2 additional pages with 4 picturesInstrumentation and Detectorstext