October 12, 1999
I knew that the Great Red Spot would be visible tonight, but I hadn't checked on
Jupiter's moons, and was surprised to see the shadow of one on the disk. I decided
to take 3 sets of exposures, 40 minutes apart, and see what I got. Here it is:
This is a close-up of the center image. Note the white 'smudge' above and to the left
of the GRS. Take a look at a really high-res image of Jupiter and you'll see the smudge
resolved into white "whorls" that follow in the wake of the GRS.
This is getting fun.
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