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Jupiter 3-27-04
3 Shadows and a Moon
During the night of 3-27-04 into the early morning of 3-28-04, a relatively rare event happened on Jupiter.  Three of Jupiter's moons were in position to cast shadows on the planet at the same time. The following images show the sequence of events that night.  Unfortunately, the seeing got steadily worse during the event.  As a consequence, some of the images are less detailed than others.
jupiter3-27-04-1.jpg (39178 bytes)

This image shows (from right to left)

  1. The shadow of the moon Callisto
  2. The moon Ganymede
  3. The moon Io about to enter the planet's disk
jupiter3-27-04-2.jpg (28614 bytes)  

This image shows (from right to left)

  1. The shadow of the moon Callisto
  2. The moon Ganymede
  3. The shadow of the moon Io
jupiter3-27-04-3.jpg (33708 bytes)  

This image shows (from right to left)

  1. The shadow of the moon Callisto
  2. The moon Ganymede
  3. The shadow of the moon Io
  4. The shadow of the moon Ganymede

I only got 1 short video showing all of the moon shadows and Ganymede on the planet at the same time.  Unfortunately, this happened during the worst seeing of the night.
jupiter3-27-04-4.jpg (28444 bytes)

This image shows (from right to left)

  1. The moon Ganymede
  2. The shadow of the moon Io
  3. The shadow of the moon Ganymede
Date: 3-27-04 to 3-28-04
Equipment: 10" SCT f/10.  Philips ToUcam Pro web camera coupled to a 2X barlow.
Processing: Each set of videos were processed in K3CCDTOOLS.  The best frames from each video were individually selected and stacked.  Final levels and color adjustment done in Photoshop.


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