Imaging telescopes or lenses: Canon EF 100-400 f/4.5-5.6
Imaging cameras: Canon EOS 50D
Mounts: AstroTrac TT320X-AG
Software: Registax, GIMP, Virtual Dub, IrfanView
Filters: Hutech IDAS LPS-P2-37
Short video showing the movement of comet Garradd relative to the stars over a time span of only 1.5 hour.