We acknowledge the following contributions:

  • ISSTT2018 LOC - for the ISSTT2018 Conference photo and for sharing experience;

  • Johan Bodell - for background image of the Onsala Space Observatory 25m telescope;

  • Pasi Mämmelä @pixabay.com - for background image of Göta Älv river and the bark Viking;

  • Google Street View - for the background image of Göta Älv riverfront at Lindholmen.