ESO Garching, Germany, 30 March – 03 April 2020
Ground-based astronomical observations in the thermal infrared wavelength regime (3-30 microns) provide a powerful tool to discover and characterise the most obscured and cool sources in the Universe. This workshop aims to bring together the experts in the field to review the science highlights from various thermal infrared instruments, from protoplanetary discs to active galactic nuclei. We will review some future facilities, and we will compare techniques and approaches for observations and calibrations, with the aim to reach the theoretical limit, the background-limited performance.