On Sunday evening I re-visited comet Garradd. I did image the comet on Friday but this time I employed a longer focal length telescope. The sky motion of the comet, currently at 2.20"/min, can clearly be observed in this 45-minute image.

Date: August 1, 2011
Constellation: Pegasus
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: Tele Vue NP-127is, f/5.2, used with field corrector
Mount: Paramount ME, guided using PhD
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 30 light frames of 90 seconds, ISO 800
Processing: Light frames calibrated with dark frames in ImagesPlus. Light frames normalized and combined using MinMax Excluded.