The Shark Nebula (or Dark Shark nebula) is a star-forming nebula located approximately 650 light years away in the northern constellation Cepheus (the King). The cloud of interstellar gas and dust appears silhouetted against a rich star field and is part of a larger star-forming region called the Cepheus Flare. It is listed as LDN… Read More »Shark Nebula (LDN 1235)| Constellation Guide
The Chinese Dragon Nebula is a star-forming region located approximately 5,000 light years away in the constellation Sagittarius (the Archer). It is part of the larger H II region Simeis 188. The nebula is listed as NGC 6559 in the New General Catalogue. Composed of both emission and reflection regions, the stellar nursery is only… Read More »Chinese Dragon Nebula (NGC 6559)| Constellation Guide
The Blue Horsehead Nebula (IC 4592) is a reflection nebula located approximately 400 light-years away in the constellation Scorpius. It is illuminated by the multiple star system Nu Scorpii.| www.constellation-guide.com
The Witch Head Nebula (IC 2118) is a large, faint reflection nebula located approximately 900 light-years away in the constellation Eridanus. It is illuminated by the supergiant Rigel in Orion, the seventh brightest star in the sky.| www.constellation-guide.com