This movie shows the movement of the comet over a period of 3h 30m, in 16 seconds(i.e. speeded up 742 times).

Details of imaging and processing:

Lexington, Mass. Suburban skies; 50-45F, low humidity and clear; comet high in the sky

October 8, 2010, 12:24am to 3.54am

Takahashi E160 astrograph (6" F/3.3) with field flattener and CLS Astronomik filter
Image scale is about 1.5deg x 2.0deg
Takahashi EM-1 mount; unguided; tracking stars
Canon 450D (modified by Hap Griffin) at 1600 ASA
99 subs of 120sec each, with about 5sec gaps between exposures (for image download)
20 darks, 20 flats, 20 bias files; stills processed as usual
Captured with Mike Unsold's ImagesPlus 4.0; normalized, aligned, digitally developped in ImagesPlus 3.82; cropping in CS4
The images were imported into Adobe Premiere Elements 3.0 and converted into slideshow with 6 frames per second and then converted to MPEG2 before uploading to YouTube.