First Image of Blackhole Shadow

How EHTC took the image of the M87 black hole shadow.

EHT Collaboration

The Event Horizon Telescope Collaboration.

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

We present the first Event Horizon Telescope (EHT) images of M87, using observations from April 2017 at 1.3 mm wavelength. These images show a prominent ring with a diameter of ~40 μas, consistent with the size and shape of the lensed photon orbit …