The Roque de los Muchachos Observatory (ORM) of the Instituto de Astrofísica de Canarias (IAC), located on La Palma, has reached another important milestone with the installation of the camera of the LST-4, one of the four Large-Sized Telescopes (LST), which will be part of the Cherenkov Telescope Array Observatory (CTAO), currently under construction. The installation of the camera represents the completion of the telescope assembly and marks its transition to the commissioning phase. After a thorough performance evaluation at the IACTEC building, the IAC's technological and business

El Observatorio del Teide recibe este fin de semana a cerca de 1.000 visitantes en sus tradicionales Jornadas de Puertas Abiertas, organizadas por el Instituto de Astrofísica de Canarias (IAC) con motivo del solsticio de verano. Esta iniciativa, ya consolidada en el calendario divulgativo del IAC, ofrece a la ciudadanía la oportunidad de acercarse a la ciencia y a las infraestructuras científicas de Canarias de forma directa y cercana. La actividad está coordinada conjuntamente por el propio Observatorio y por la Unidad de Comunicación y Cultura Científica (UC3) del IAC, en el marco de las

The Solar System research group at the Instituto de Astrofísica de Canarias (IAC) is participating in the international programme to keep a closet track of asteroid 2024 YR4. The aim is to determine its orbit with the highest possible precision before it stops being observable by ground based and satellite telescopes in April, and so improving our value of the probability that it will impact the Earth in 2032. In this context several telescopes of the Canary Observatories of the IAC are playing an outstanding role in this observing campaign: The Gran Telescopio Canarias (GTC) at the Roque de