Comet Holmes Passes Perseus
11th November, 2007.

3x 1 minute exposure, stacked in DeepSky Stacker, ISO 1600, UHC Sodium Rejection Filter
28th October, 2007.

This is a composite image, 1 second for the comet and 5 seconds for the background stars. Photographs were taken from my back garden in Derby. 5 images stacked using DeepSky Stacker.

A close-up of the comet reveals three bright points of light. One of these is the comet nucleus, the other two are background stars.
Comet Swan

This photo was taken on 24th October, 2006 from my front garden using a Nikon D50 and 2x barlow.