Comet Lulin (C/2007 N3) is a non-periodic comet discovered in 2007. It made a close approach to Earth in 2009 and was notable for its green color due to cyanogen and diatomic carbon gases.
Source: apod.nasa.gov
07/03/2009
27/02/2009
25/02/2009
21/02/2009
07/02/2009
02/02/2009
05/01/2009