Whirlpool Galaxy with Supernova

The M51 Whirlpool Galaxy with a Supernova; Distance 23 Million Light Years. M51 is interacting with its campanion galaxy NGC 5195.
Equipment: Celestron 11 GPS, HyperStar 3 (F2), Canon 350, Rebel XT
Image: 44 Second exposures @ 800 ISO x 7 Stacked images
Date: 4/2/2011. Location: Tucson, AZ
The arrow is indicating the supernova
Click image for full size