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Sol581: Spirit Arrived!, ...on the summit of Husband hill
MichaelT
post Aug 31 2005, 07:49 AM
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QUOTE (slinted @ Aug 30 2005, 07:04 PM)
Thanks to MMB, I noticed some particles moving around between two MI images of the Mossbauer impression from sol 588.  It looks like more evidence of decently strong winds up on the top of the hill.
*

Yes, that's amazing! In this GIF-animation (140 k) you can see very well that some pretty big particles got moved around. The two frames were taken 55 seconds apart on Sol 588.
Michael
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Tesheiner
post Aug 31 2005, 08:49 AM
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Today (sol 590) is a driving day too.
Actually, Spirit may be driving now...
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Bob Shaw
post Aug 31 2005, 11:14 AM
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QUOTE (MichaelT @ Aug 31 2005, 08:49 AM)
Yes, that's amazing! In this GIF-animation (140 k) you can see very well that some pretty big particles got moved around. The two frames were taken 55 seconds apart on Sol 588.
Michael
*


Michael:

Amazing isn't the word for it! I simply wouldn't ever have expected to see visible grains being moved about like that (despite the obvious wind erosion and deposition on the summit, I've always been of the 'verrrrrrry slow erosion by almost invisible particles' school). A rethink may be in order!

I hope some more close-up sequences get performed to look at the (potential) movement around some of the rocks - that'd be a terrific movie, guys!

Bob Shaw


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Remember: Time Flies like the wind - but Fruit Flies like bananas!
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TheChemist
post Aug 31 2005, 01:23 PM
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Some PanCam images of the night sky were uploaded today from Sol590 (I guess).
See this for example

What is the bright spot on this one ?
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djellison
post Aug 31 2005, 01:24 PM
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I think it's Phobos and Deimos again - that's what was on the Pancam database anyway.

Doug
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TheChemist
post Aug 31 2005, 01:34 PM
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Thanks Doug, I should have checked there first smile.gif
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Tesheiner
post Aug 31 2005, 02:25 PM
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And, as remarked on the other forum, you can see the Pleiades at the lower left of the image.
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Bill Harris
post Aug 31 2005, 02:38 PM
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QUOTE
Pleiades at the lower left of the image.


Hmmm, and Lambda Sagittarii was identified in the previous Phobos/Deimos image. Those areas are almost 180* apart in the sky. Where does the ecliptic run on Mars?

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TheChemist
post Aug 31 2005, 02:48 PM
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QUOTE (Tesheiner @ Aug 31 2005, 05:25 PM)
And, as remarked on the other forum, you can see the Pleiades at the lower left of the image.
*

Sorry I seem to have missed that, what other forum ?
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ustrax
post Aug 31 2005, 03:02 PM
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QUOTE (TheChemist @ Aug 31 2005, 02:48 PM)
Sorry I seem to have missed that, what other forum ?
*


The Mark Carey's Mars Forum, here, reply 14:

http://www.markcarey.com/mars/discuss-28263-night-sky.html


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um3k
post Aug 31 2005, 03:21 PM
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QUOTE (Tesheiner @ Aug 31 2005, 10:25 AM)
And, as remarked on the other forum, you can see the Pleiades at the lower left of the image.
*

And the Hyades are in the lower right. The brightest star in the Hyades is Aldebaran.
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Rxke
post Aug 31 2005, 04:52 PM
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ohmy.gif
*drops through chair once again*


When I first saw that picture, i thought for a fraction of a second it were the Pleiaden, but then had to laugh at myself, thinking it was impossible for Spirit to capture that.

I'm totally, utterly astounded,... This is so beautiful!
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um3k
post Aug 31 2005, 11:01 PM
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QUOTE (Rxke @ Aug 31 2005, 12:52 PM)
When I first saw that picture, i thought for a fraction of a second it were the Pleiaden, but then had to laugh at myself, thinking it was impossible for Spirit to capture that.
*

It is pretty amazing, considering that the pancam is something like f/22.
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Bill Harris
post Sep 1 2005, 03:54 AM
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Here is a crop of the Spirit Pleiades image compared to an image I made of the Pleiades several years ago (800mm FL at f/4).


--Bill


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Pluto Encounter
Rosetta Mission
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CosmicRocker
post Sep 1 2005, 04:41 AM
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Bill: Nice astrophoto, and nice comparison. That's exactly the kind of side-by-side I wanted to see. I made the comparison earlier with my planetarium software, but seeing the real, through-the-lenses comparison was ideal. smile.gif


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...Tom

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