This image of Comet Lulin was taken on 1 March 2009 using a Canon 40D with a 200mm lens. 60 images each of 10s stacked in Deep Sky Stacker and processed in Photoshop.
Comets
Comet Garradd C/2009 P1
Comet Garradd approaching the Coathanger asterism (Brocchi’s Cluster) on 2 September 2011.
The image consists of 13 x 2 minute subs, taken with a Canon 40D DSLR through a William Optics Megrez 90 telescope, stacked in Deep Sky Stacker and processed in Photoshop.
Comet Lulin C/2007 N3
Comet 17P/Holmes
Towards the end of October 2007, Comet 17P/Holmes surprised sky watchers around the world with a sudden million-fold increase in brightness. It literally exploded into view, rapidly becoming a naked eye "star" in the constellation Perseus.
This image was taken on the evening of 4 November 2007
Technical details
Taken through a VC200L telescope at prime focus (f=1800mm, D=200mm) using a Canon 20Da camera. 24 separate images each of 20s and iso 3200 stacked in ImagesPlus and processed in Photoshop.
