Total solar eclipse in Spain 2026: Pedro Duque’s comprehensive guide to viewing this historic event

Timings and phases of the 12 August total eclipse Eye safety and satellite technology during the event A historic astronomical phenomenon for the peninsula Spain is preparing to witness a century-defining astronomical event: a total solar eclipse that will darken the skies over the Iberian Peninsula on Wednesday 12 August. Pedro Duque, astronaut and president of Hispasat, has prepared an essential guide on the science and logistics required to follow the phenomenon safely, in a operation that will place the country at the epicentre of global scientific observation. The path of totality, where the Moon will completely obscure the solar disc, will cross the peninsula diagonally, stretching from the coast of Galicia to the Castellón coastline, before projecting over the Balearic Islands. The population outside this central strip will be able to observe a partial eclipse, while the provinces of Cádiz and Málaga will have to wait for the next total solar eclipse on the astronomical calendar, scheduled by NASA and the National Geographic Institute (IGN) for 2027. Satellite view of the solar eclipse - PHOTO/Indra Timings and phases of the 12 August total eclipse The progression of the eclipse will become visibly apparent around 19:30 CEST (Spanish mainland time). During this first stage of the partial phase, the gradual reduction in solar radiation will cause a sharp drop in temperatures and alter ambient light patterns, triggering sudden behavioural changes in local wildlife and bird populations. The climax will be reached at approximately 20:30 CEST with the appearance of the phenomenon known as the «diamond ring», the moment when the last rays of sunlight filter through the lunar topography. Immediately following this, the phase of totality will begin—a window of under two minutes in which the Sun will be entirely covered, revealing the solar corona and fleetingly turning day into night. Eye safety and satellite technology during the event Pedro Duque stresses the importance of using certified eclipse glasses throughout all partial phases of observation. Because the human retina lacks pain receptors, looking directly at the Sun without proper protection during the preceding twilight can cause irreversible burns imperceptibly. Only within the path of totality, and solely during the minutes of complete obscurity, is it safe to remove protective filters. In the field of aerospace engineering, the communications infrastructure network supervised by the European Space Agency (ESA) and telecommunication operators is prepared for the passage of the lunar shadow. Although orbital platforms rely on solar radiation to charge their panels, commercial satellite fleets delivering internet connectivity and high-definition television carry auxiliary battery systems engineered to maintain uninterrupted service as the umbra moves across the Earth's surface. A historic astronomical phenomenon for the peninsula Observing the 12 August event marks the first total solar eclipse visible from Spanish territory in over a century. The timing of the phenomenon in the height of the summer season is expected to generate a massive impact on mobility and scientific tourism toward the autonomous communities situated along the path of total shadow. Furthermore, this milestone will launch an exceptional astronomical cycle for southern Europe, continuing next year with the trajectory of the 2027 eclipse over the Strait of Gibraltar, cementing Spain's standing as a natural laboratory for the study of solar physics and space research.