The Pencil Nebula is the brightest part of the larger Vela Supernova Remnant, one of the closest supernova remnants to the Sun. The nebula has an apparent magnitude of 12.0 and lies approximately 815 light-years away.| www.constellation-guide.com
The Vela Supernova Remnant (Vela SNR) is the remnant of a supernova that occurred around 11,000 years ago in the southern constellation Vela. The remnant lies approximately 936 light-years away. It is one of the nearest supernova remnants to the Sun.| www.constellation-guide.com
The Gum Nebula is a large emission nebula located approximately 1,470 light-years away in the southern constellations Puppis and Vela. It covers an area of 36 degrees, which is equivalent to 72 full Moons.| www.constellation-guide.com