Saturday, March 21, 2009
NGC 2818 is a strikingly attractive planetary nebula found in the southern constellation Pyxis (The Compass). The beautiful hues pictured here are the result of a sequence of exposures through narrow-band filters, highlighting emission from nitrogen, hydrogen, and oxygen atoms showing as red, green, and blue in the image. This is an APOD image. Click through to see the APOD page, click the image there for a higher resolution version.