To put any of these images on your hard disk, click on the image and then from the File menu on your browser chose the Save As option. Bu sure the save the images as "Source" rather than text. The images will be transfered to your hard disk for more convenient use in the classroom.

 
January 1, 1995   April 5, 1995
 
July 4, 1995   October 10, 1995

These images depict seasonal differences in the ozone layer over Antarctica. Every day satellite images of this type are archived at NOAA.