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 Horsehead Nebula (B33) is a dark nebula located 1,375 light-years away in the constellation Orion. It is part of one of the nearest massive stellar nurseries to the Sun. It appears in the region of Orion's Belt.| www.constellation-guide.com