The Rosette Nebula is a vast emission nebula associated with an open cluster in Monoceros constellation. It lies at a distance of 5,200 light years. It is a popular target for visual astronomy and astrophotography.| www.constellation-guide.com
The Monkey Head Nebula (NGC 2174) is an emission nebula located 6,400 light-years away in the constellation Orion. The nebula is an H II region, a stellar nursery composed of ionized hydrogen gas in which new stars are forming.| www.constellation-guide.com
The Cave Nebula (Sh2-155, Caldwell 9) is an emission nebula located approximately 2,400 light-years away in the northern constellation Cepheus. With an apparent magnitude of 7.7, it can be observed in medium telescopes.| www.constellation-guide.com
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 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
The Ghost Head Nebula (NGC 2080) is an emission nebula located 160,000 light-years away in the Large Magellanic Cloud in the constellation Dorado. The star-forming region appears near the larger Tarantula Nebula (30 Doradus).| www.constellation-guide.com