The Coalsack Nebula is one of the best known dark nebulae in the sky, located in the constellation Crux.| www.constellation-guide.com
Centaurus A is a peculiar galaxy located in the southern constellation Centaurus. It is the fifth brightest galaxy in the night sky, the nearest giant galaxy to the Milky Way, and one of the nearest radio galaxies to Earth.| www.constellation-guide.com