Next Sunday, September 23rd, will be the September equinox, the autumnal equinox in the northern hemisphere, and the vernal equinox in the southern hemisphere. The two equinoxes, in September and March, are the only days when the Sun rises exactly in the east and sets exactly in the west. The autumnal equinox will be broadcast live from the Dólmen Zarfra3 in Valencia de Alcántara (Cáceres, Extremadura) via the channel sky-live.tv, on the early morning of September 23rd, with the collaboration of the European STARS4ALL project, and an iniciative of the Junta of Extremadura “Extremadura, Good

The encounter, which will take place between September 18th and 22nd, in the municipality in La Palma of Los Llanos de Aridane, will bring together around forty literary figures writing in Spanish from both sides of the Atlantic. Among the planned acts the Instituto de Astrofísica de Canarias (IAC) will participate in a panel discussion which will pay tribute to the memory of Stephen Hawking, and will organize a special visit for the guests to the Roque de los Muchachos Observatory.

Thanks to the OSIRIS instrument on the Gran Telescopio Ganarias (GTC) it has been possible to make the deepest survey of galaxies to date (OTELO) and the results could change what we currently know about the formation and evolution of galaxies.

The call for proposals for semester 2019A of the night CAT has been released. Deadline on October 2, at 23:59 UT.

Tomorrow, in La Laguna, sees the start of the BUKS2018 conference, which will bring together for a week 77 specialists in Solar Physics from 14 countries to discuss the latest research on the waves and instabilities which are produced in the atmosphere of the star in our neighbourhood.

The study, carried out by two researchers at the Instituto de Astrofísica de Canarias, shows that the “change in position” observed in the nucleus of the galaxy M87 is not due to a displacement of its supermassive black hole, but to variations in the emission of light in the centre of the galaxy caused by outbursts coming from its jet, a flow of relativistic material along a narrow beam, emitted from just outside the black hole itself.