This past week was the 2015 SDSS Collaboration Meeting, held at the Instituto de Física Teórica IFT UAM-CSIC in Madrid, Spain (jointly organized by the Instituto de Física Teórica IFT UAM-CSIC and the Instituto de Astrofísica de Canarias).

Members of the SDSS Collaboration outside the IFT in Madrid earlier this week.

You can read this news item (en Espanol) about the meeting: El “Sloan” continúa su exploración del Universo, or see this collection of Tweets by SDSS members during the meeting: Storify of #sdss15.