Clouds came in after about 1 hour of observing. The observers were Mike Skrutskie and Sven Aas from the University of Massachusetts. The sequence begins at the upper left and ends at the lower right. Each frame is an average of 10 0.6s exposures lasting 25 seconds in total. Click here to see a plot of the L-event light curve in units of the brightness of Io.
Open points represent saturated data.
The uncertainty for the unsaturated points is 0.05. The movie was constructed from 51 images taken over the course of 43 minutes. The data appear relatively noisy because they were obtained in daylight. The image above shows a mosaic of these images which provides full longitude coverage on Jupiter in all three bands. Each column in the mosaic contains images taken during about a 30 minute interval.