Jupiter
This is Jupiter, and if you look closely on the
left hand side you will see its moon Io and the shadow it casts on the upper
clouds of Jupiter. These are two images about 20 minutes apart, and due to the
rapid rotation of Jupiter this will act as a stereo image if you fuse
the two images by crossing your eyes. You will see Io floating above Jupiter
and the shadow sitting on the cloud tops. The Great Red Spot is on the lower
right side. I did not know that I had captured Io and its shadow until after I
digitally processed the original images. This is a case of very lucky timing,
as Io would probably not be visible if it were over the surface of Jupiter, and
the shadow quickly transited off the left hand side of Jupiter. Pictor 208XT
ccd camera.
Here's an animated image of Jupiter with a
transit of the moon IO visible initially by its shadow, and then as a blip off
the side of the planet. Pictor 208XT ccd camera (multiple images combined to
produce an animated gif image)
12"LX200, Teleview 4x Powermate
Truetech Filter Wheel (RGB)
Starlight Express MX916 CCD
0.05sec exposures, 20 images each R, G, B, 100 images Luminance
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2001