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Old 07-05-2009, 07:53 PM
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iceman (Mike)
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Thumbs up Jupiter, Oval BA, Io and Shadow - images and animation

This morning, 7th May local time, I had reasonably good seeing for about an hour - long enough to capture 7 runs of Jupiter with the Galilean Moon Io and its shadow transiting across the Jovian disc.

The red channel was pretty good in almost all images, but unfortunately the blue channel was pretty ordinary, bringing down most of the images from what they could’ve been. Still, I can’t complain as the last few days have seen some better than average conditions, allowing me to finally start getting some runs on the board with this Jupiter season.

The best two images from the session are shown here, as well as a 7-frame animation of the red channel showing Jupiter rotating and Io and its shadow in transit.

Oval BA is definitely fainter than last year, but still has an orange ring with a lighter/white centre. As Anthony Wesley pointed out in his beautiful image, there’s another white storm which appears to have an orange ring around it just to the right of Oval BA, and in-between the two there’s a dark spot. It will be interesting to see what happens to this trio over the next few weeks.

7-frame animation here:
Jupiter, Io and Shadow Animation

More info here:
Jupiter with Io and Shadow Transit Animation in Good Seeing

Thanks for looking.
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  #2  
Old 07-05-2009, 08:19 PM
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Inmykombi (Geoff)
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Great sequence there Mike.
Cloud detail can be seen easily too.
You gotta be happy with those.
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  #3  
Old 07-05-2009, 08:43 PM
bird (Anthony Wesley)
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Wow, lovely images there! nice work.

cheers, Bird
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  #4  
Old 07-05-2009, 11:32 PM
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Paul Haese
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Nice Io in the first image. Shadow is very sharp too.
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  #5  
Old 08-05-2009, 05:01 PM
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iceman (Mike)
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Thanks guys, unfortunately clouded out this morning for the GRS but hopefully the run of above average seeing continues into next week.
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  #6  
Old 08-05-2009, 05:20 PM
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Quark (Trevor)
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Hi Mike,
Starting to fire on all cylinders now, the first RGB is right up there, heaps of really delicate detail quite well resolved and the shadow of Io is just sharp as. Io, itself has a bit of 3D about it also.

Liked the animation of the R channel images, most impressive, looks very clean and well resolved
Well done

Cheers
Trevor
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  #7  
Old 08-05-2009, 09:35 PM
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Lester
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Good to see you easterners getting some good conditions at last. That first image is a real eye catcher Mike, well done.

Its been jetstream free here for some days now; pity about the cloud though.
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  #8  
Old 08-05-2009, 11:06 PM
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Jen
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nice pics Mike
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