Eridanus

The black hole in the Eridanus galaxy weighs in at about one million solar masses.

There they were turned into poplar trees, on the bank of the Eridanus,

Late at night, face the southeastern sky and hunt for the asteroid in the constellation Eridanus, the river, just next to the more familiar constellation Orion.

The trio of labs put the origin of the waves in the direction of the constellation Eridanus.

Keid is easily visible to the unaided eye as a faint star that sits in the southern constellation Eridanus.