IC 4592 (also known as the Blue Horsehead Nebula) is a reflection nebula in the constellation of Scorpius that is lit by Nu Scorpii.
External links Media related to IC 4592 at Wikimedia Commons IC 4592 in NASA/IPAC Extragalactic Database IC 4592 in SIMBAD Database IC 4592 at seds.org NASA Astronomy Picture of the Day: IC 4592: The Blue Horsehead Reflection Nebula (2 April 2013)
IC 4592 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images