It's the supermassive black hole at the center of our own galaxy, the Milky Way, about 25,000 light-years away. But it's significantly smaller than the one in Messier 87. So it will probably be ...

Metsähovi Radio Telescope, located in the forests outside Greater Helsinki in Finland, is one of the telescopes used to take the first image of the M87 black hole together with its powerful jet.