NGC 2170, also known as the Angel Nebula, is a reflection nebula in the constellation Monoceros. It was discovered on October 16, 1784 by William Herschel.
References
External links Media related to NGC 2170 at Wikimedia Commons NASA Astronomy Picture of the Day: Still Life with NGC 2170 (5 August 2006) NASA Astronomy Picture of the Day: NGC 2170: Celestial Still Life (14 January 2009) NASA Astronomy Picture of the Day: Vista with NGC 2170 (15 October 2010) The Interactive NGC Catalog Online: NGC 2170 SIMBAD: NGC 2170 NASA/IPAC Extragalactic Database: NGC 2170