April - The ESO Supernova Planetarium & Visitor Centre star-roof

You can pre-order the calendar from the ESOshop. Deliveries will start in the second half of November 2019. 

On 26 April 2018, the ESO Supernova Planetarium & Visitor Centre was officially inaugurated, and its doors were opened to the public two days later. The centre, located at ESO’s Headquarters in Garching, Germany, provides visitors with an immersive experience of astronomy as well as an introduction to scientific results, projects, and technological breakthroughs enabled by ESO’s facilties.

This picture shows the spectacular star-roof of the centre, which weighs almost 30 tonnes and consists of glass panels set into a metal framework made of triangular sections — 262 in total — arranged to artistically represent the constellations of the southern sky.