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[Centaur]

I calculate that there will be a series of 13 simultaneous transits across Jupiter of the shadows of Galilean satellites #1 Io and #2 Europa separated by about 3 days & 13 hours during 2011 MAY 14 to JUN 26. During this period there will be two dual transits of the shadows of #1 Io and #3 Ganymede. Visit my Jupiter webpage for a timetable and preview diagrams of the upcoming dual shadow transits: www.CurtRenz.com/jupiter

Photos and descriptions of these transits would be welcome additions to this thread.

[patrickm]

Awesome! Hillary, Paulie, and I had a great observing night last year on one of the multiple transit nights. Paulie's Dob really showed its stuff that night. Looking forward to more of that.

Thanks for the heads up and info, Centaur!

[Paulie pchris00]

Shadow transits. Multiple shadow tarnsits even. Jupiter showing it's superiority.

[Centaur]

May 7, 2011 20:49:43 GMT -6 patrickm said:

Thanks for the heads up and info, Centaur!

You’re welcome, Patrick. The event of May 21 will include the simultaneous transits of two Galilean satellites and both of their shadows. For Chicagolanders these will occur in the daytime, although with Jupiter above the horizon and visible through a telescope. An event timetable for May 21 and a preview graphic appear on my Jupiter webpage: www.CurtRenz.com/jupiter

[Centaur]

The event of 2011 MAY 25 will include the simultaneous transits of two Galilean satellites and both of their shadows. For most of North America these will occur before dawn. Io itself will be the last to commence a transit, and that will occur as the Sun is about to rise in Chicago. An event timetable for May 25 and a preview graphic appear on my Jupiter webpage: www.CurtRenz.com/jupiter

[Centaur]

The event of 2011 JUN 01 will include the simultaneous transits of two Galilean satellites and both of their shadows. For North Americans these will occur in the daytime, although with Jupiter above the horizon and visible through a telescope. An event timetable for June 1 and a preview graphic appear on my Jupiter webpage: www.CurtRenz.com/jupiter

[Centaur]

The dual shadow transit of June 10 will occur in the predawn sky for Chicagolanders. Unlike most events in the current series, it will not involve Galilean satellite #2 Europa. In fact at that time Europa will be eclipsed by the shadow of Jupiter. I have a timetable and graphic for this event on my website: www.CurtRenz.com/jupiter