Water Lily Nebula

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Water Lily Nebula
Reflection nebula
Protoplanetary nebula
HST image of the Watery Lily Nebula by Sun Kwok, Bruce Hrivnak, and Kate Su
Observation data: J2000 epoch
Right ascension 17h 03m 10.08s[1]
Declination −47° 00′ 27.7″[1]
Constellation Auriga
Designations IRAS 16594-4656, 2MASS J17031007-4700277, PN G340.3-03.2[2]
See also: Lists of nebulae

The Water Lily Nebula, in the southern constellation of Ara, is a pre-planetary nebula also known as IRAS 16594-4656, in the process of developing to a planetary nebula. It is one of the pre-planetary nebulae containing polycyclic aromatic hydrocarbons, organic hydrocarbons otherwise constituting the basis for life.


  1. ^ a b Cutri, R. M. (2003). "2MASS All-Sky Catalog of Point Sources". VizieR On-line Data Catalog. Bibcode:2003yCat.2246....0C. 
  2. ^ "NAME Water Lily Nebula". SIMBAD. Centre de données astronomiques de Strasbourg.