Comet 17/P Holmes in Perseus Star Field 10/12/07 - Eric Walker
Captured on the night of 10th Dec 2007, this shows Comet Holmes against the backdrop of the Perseus starfield. The blue haze to the left of the image is the open cluster NGC 1245. Canon EOS400D with Sigma 70-300mm APO DG Macro telephoto lens. ISO 1600, f/5.0, fl=190mm. 2x60sec, 4x90sec, 3x120sec, dark frame subtracted, stacked with Registax, processed with Photoshop CS and NeatImage. www.astrophotos.plus.com