Each image is 10.9 arcsec across, which projects to 23,800 km at the comet, and a single pixel subtends 99 km at the comet. The nucleus is at the center of each image. Click here to see the postscript version of the above figure. Here we have divided the images in Fig. 1 by azimuthally-averaged images in order to enhance any asymmetrical structures in the coma.
Strong jets are apparent in both images.
Click here to see the postscript version of the above figure.