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Comet P/Holmes at 20-19-38hrs UT on 2007-11-12.

The left image has been switched to a negative image but not altered. The Isophotos shows the various levels of activity within the coma.The entire image to the right has been deliberately enhanced but nothing has been cut out or added to also show the activity and brightness levels. J R Fletcher. MTO code J93.UK.

CCD 21.42' x 15.95'
Pixel width 23.2 mm
Pixel height 22.4 mm
Focal length 1400.00mm
1.71" x 1.65" pixel size 2x2binned.