The first Large-Sized Telescope (LST) prototype of the Cherenkov Telescope Array Observatory (CTAO), located at the Roque de los Muchachos Observatory (Garafía, La Palma), has made its first scientific discovery by detecting the source OP 313 above 100 gigaelectronvolts (GeV), a level of energy a billion times higher than the visible light that humans can perceive. It is the most distant quasar ever observed by gamma-ray instruments from the ground. On 15 December, the Large-Sized Telescope (LST) Collaboration announced through an Astronomer’s Telegram (ATel) the detection of the source OP

El embajador de Japón en España, Takahiro Nakamae , visitó esta semana la sede central del Instituto de Astrofísica de Canarias (IAC) y el Observatorio del Teide, junto con Shinji Yamada, cónsul de Japón en Las Palmas de Gran Canaria, junto a personal de su equipo. En la sede central fueron recibidos por Valentín Martínez Pillet, director del IAC; y por el responsable de Instrumentación, Marcos Reyes; y por la jefa de la Unidad de Comunicación y Cultura Científica (UC3), Verónica Martín. En la sede central del IAC conocieron las instalaciones y las principales líneas de investigación del

The Technical Office for the Protection of the Quality of the Sky (OTPC) of the IAC is collaborating to advise about the implementation of energy efficiency and the reduction of light pollution in the port installations of general interest which belong to the public company Puertos Canarios. Specifically, the IAC has just issued a report which checks out the exterior lighting of the installations of the Port of las Nieves in Agaete (Gran Canaria), and in the coming months expects to carry out suitable tests in the Port of Vueltas in Valle Gran Rey (La Gomera) and the Port of Garachico