Directions on the sky readjusted

At the General Assembly of the International Astronomical Union, the new International Celestial Reference Frame (ICRF3) was unanimously approved. It contains positions of more than 4000 extragalactic radio sources at three frequencies. The photo shows Johannes Böhm and David Mayer from the research area Higher Geodesy waiting for the final voting on ICRF3 at the Assembly.
 Aug. 31, 2018

 Higher Geodesy