Image Details
Caption: Fig. 20.
Renderings of CD echoes (similar to Fig. 16), showing possible symmetry axes at (a) 30°, (b) 40°, and (c) 50°. The northwest WFPC2 data are not plotted (§ 6.1.1), and the "jet" material (§ 6.1.2) is now shaded lightest gray.
© 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A.