Antonio Eff-Darwich (ULL) during the Open Days 2019 at the Teide Observatory. Credit: IAC. Download Antonio Eff-Darwich (ULL) during the Open Days 2019 at the Teide Observatory. Credit: IAC. Created at 06/14/2019 Authors Miquel Serra Ricart Instituto de Astrofísica de Canarias (IAC) Credits Instituto de Astrofísica de Canarias (IAC) Obtained at Teide Observatory In the media Who Antonio Eff-Darwich Headquarter Teide Observatory Description Antonio Eff-Darwich (ULL) during the Open Days 2019 at the Teide Observatory. Credit: IAC. Type: image Outreach