Note: TOMS Ozone over Antarctica from 8-20-92 to 10-19-92. The ozone hole is indicated in shades of blue. The missing data region over the south pole is due to the inability of the TOMS instrument to measure data during the polar night. Animator: Jesse Allen (Raytheon). Scientist: Mark Schoeberl (NASA/GSFC). Platforms/Sensors/Data Sets: Meteor-3/TOMS, Nimbus-7/TOMS.