Tuesday, October 25, 2011

Results of the October 24, 2011 Jovian Dual Transit

The dual-shadow transit on October 24, this past Monday was a true spectacle! Although we here in America could not view such a wonderful event, I have been able to find a few pictures scattered across the internet of this spectacular event. About the transits: "After having such a prolific season of simultaneous Jovian dual-transits last May-June, it will be hard to accept the fact that we have only two more this 2011 season: October 24, 2011 and October 31, 2011. Each transits are an exact week apart (although times differ) and both are dual-shadow transits. Io and Ganymede both partake in each event, as their orbits must be aligned perfectly just for this week." Read more at the link above.

This picture was taken from 'Cloudy Night Telescope Reviews' under username 'claytonbigwood'

Below is a picture computed (simulated) by Celestia software. You can see Ganymede and Io as the light blobs, and their shadows cast on the planet. If you would to see the picture clearer, you may click on it for higher resolution.

Although these are not the most high quality images available, they do beautifully illustrate the beauty of this transit. Remember that October 31 brings us another galactic delicacy! Another dual-shadow transit awaits us...

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Credit: NASA