Forty-nine days before its historic rendezvous with a comet, NASA's Stardust spacecraft successfully photographed its quarry, comet Wild 2 (pronounced Vilt-2), from 25 million kilometers (15.5 million miles) away.
Details:
http://stardust.jpl.nasa.gov/
and the first picture:
http://www.space.com/php/multimedia/ima ... img_02.jpg
Although I don't think i'll get to see the simulation in Celestia as it happens- i'll be skiing in Italy at the time...