Zooming into the Black Hole: The centre of M87 from 0.05 GHz to 345 GHz and arc minutes to muarcsec. Credit: De Gasperin, Walker, Owen @LOFAR @ASTRON_NL @ehtelescope @TheNRAO #EventHorizonTelescope @unihh @hfalcke pic.twitter.com/k5USqFx974

— HamburgObservatory (@HambObs) April 12, 2019