Contents

18 April 1986
Vol 232, Issue 4748

About The Cover

Cover image expansion

Image of comet P/Giacobini-Zinner taken 22 August 1985, 0934 U.T., using the Catalina 154-cm telescope of the University of Arizona Observatories. It is taken with a Charge Coupled Device (CCD) electronic camera using a visual (V) filter (center wavelength 5500 angstroms). The exposure time was 1 minute and the field of view of the picture is roughly 8 minutes of arc. See page 353. [Uwe Fink, Al Schultz, and Mike DiSanti, Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721]