CVAS member Joe Petrick took 600 images of Jupiter and it's moons over a 4 hour period on the night of April 5, 2004. Assembling them together, he's created a movie which illustrates how fast Jupiter rotates - just under 10 hours. The 2 points of light to the right of Jupiter are the moons Io and Europa. Notice their shadows that they cast on Jupiter at the middle and end of the movie. Also, notice Jupiter's red spot near the bottom right in the early part of the movie.
The movie loop will display as an animated GIF.
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For hi-speed internet users, click here for the larger
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