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Stardust-NExT, Revisiting Tempel 1
Hungry4info
post Feb 15 2011, 02:17 PM
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http://www.cosmicdiary.org/blogs/nasa/franck_marchis/?p=1004

QUOTE
C. Jones announced that the press conference is postponed to 1pm on Tuesday Feb 15. The closest images should be received in the morning. They don’t know why the data were sent/saved this way yet.


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ugordan
post Feb 15 2011, 02:24 PM
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Do we know if the rotational phase seen by Stardust matched any seen by Deep Impact's HRI instrument during approach? Since the latter is a much higher res instrument, it actually picked up a good bit of rotation on the way in, as can be seen here.

For fun I tried matching one of the earlier HRI frames to the first good Stardust image. Looks like a slightly earlier snapshot than I picked would make a better fit, bit it was at too low a resolution. HRI image magnified some 200 % and rotated to "fit". Some vaguely similar albedo patterns there.

Attached Image


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Phil Stooke
post Feb 15 2011, 02:42 PM
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My impression based on your animation is that the HRI image should be rotated 90 degrees clockwise to match the new view.

Phil


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ugordan
post Feb 15 2011, 02:46 PM
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I rotated it slightly over 70 degrees clockwise. Close but no cigar?


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Phil Stooke
post Feb 15 2011, 03:15 PM
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No, I mean the comparison as you presented it just above, still needs a 90 clockwise rotation. The bright spot on the right of your HRI image is the bottom point of the Stardust image. If you watch your animation zoomed in, you can see how the motion carries that bright spot down to the bottom of the nucleus, while the area that will become the one you're trying to match rotates into view.

Phil


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Hungry4info
post Feb 15 2011, 04:38 PM
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Multiple new images, much closer to the comet.

http://www.jpl.nasa.gov/images/stardust/st.../n30029te01.jpg
http://www.jpl.nasa.gov/images/stardust/st.../n30031te01.jpg
http://www.jpl.nasa.gov/images/stardust/st.../n30032te01.jpg


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djellison
post Feb 15 2011, 04:41 PM
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They're beautiful - utterly beautiful - I wasn't expecting the camera to perform quite so well.
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paxdan
post Feb 15 2011, 04:43 PM
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crater identification in 3, 2, 1....
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Stu
post Feb 15 2011, 04:43 PM
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Just catching up with this 'cos I've been at work all day until now, but wow, what an achievement. And well done Doug for all your hard work on this, too.

Amazing times we live in. Amazing times...


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Hungry4info
post Feb 15 2011, 04:44 PM
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QUOTE ("paxdan")
crater identification in 3, 2, 1....

biggrin.gif
My best guess for the impact site (based on looking at the Deep Impact images).
Attached thumbnail(s)
Attached Image
 


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ZLD
post Feb 15 2011, 04:46 PM
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Wow! I had honestly been expecting images much less clear than these. Looks like this mission will pay off nicely.


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Hungry4info
post Feb 15 2011, 04:47 PM
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I'm impressed at the image quality too.
A couple closer images.

http://www.jpl.nasa.gov/images/stardust/st.../n30033te01.jpg
http://www.jpl.nasa.gov/images/stardust/st.../n30034te01.jpg


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tedstryk
post Feb 15 2011, 04:48 PM
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QUOTE (Hungry4info @ Feb 15 2011, 05:44 PM) *
biggrin.gif
My best guess for the impact site (based on looking at the Deep Impact images).

That crater is in the DI approach images, so it can't be it.


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Hungry4info
post Feb 15 2011, 04:51 PM
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You're right, I got my orientation of the surface features wrong. It should be somewhere to the left of the circular crater.


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Phil Stooke
post Feb 15 2011, 04:56 PM
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A bit of processing... some new territory - now if we can just look round the corner!

Phil

Attached Image


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