North is up ,East is left.
The left image shows the comet trace during his movement while in the right one all the images were registered on the comet's head. The comet was moving fast from SE to the NW direction in the Canes Venatici constellation. The two final images span 7.3 x 7.9 arcminutes. A logarithmic filter was used. It may not be reproduced in any form without written permission of the copyright owner.