IC 4592

IC 4592 (also known as the Blue Horsehead Nebula) is a reflection nebula in the constellation of Scorpius that is lit by Nu Scorpii.

The distinct blue eyed (Nu Scorpii) Blue Horsehead Nebula can be seen in the lower part of this wide field image. The blue area at the back of the head is IC 4601. The large multicoloured area is the Rho Ophiuchi cloud complex, and the cloud in the top left corner is LBN 1093 and Sh2-1 with the bright star being Pi Scorpii and the yellowish cloud in the middle on the left being Sh2-7 with Dschubba at its center.

IC 4592

Reflection nebula
Observation data: J2000 epoch
Right ascension	16h 11m 58.6s
Declination	−19° 27′ 17″
Distance	400 ly
Constellation	Scorpius
Physical characteristics
Radius	40 ly
Designations	IC 4592, Blue Horsehead Nebula
See also: Lists of nebulae

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