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(Trying to) Leave WH3 Behind
Stu
post Jan 28 2009, 06:58 AM
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Nice view down onto the plain...

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Tesheiner
post Jan 28 2009, 07:37 AM
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QUOTE (BrianL @ Jan 28 2009, 05:38 AM) *
Did Spirit just have an un-drive? The new pictures look like post-drive imaging, but she didn't seem to move a mm.

There's a series of sun-finding images taken prior to the "post-drive" ones. My 2c goes on that Spirit coudn't track the sun and fine-tune its attitude data so the drive was aborted.
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Guest_Oersted_*
post Jan 28 2009, 11:00 PM
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Guests






Uh-oh:

http://www.space.com/missionlaunches/09012...ver-glitch.html

Always frightening when an elderly person has a health scare...
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dvandorn
post Jan 29 2009, 03:24 AM
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Hmmm... Spirit had a problem on Sol 1800?

Maybe it's good that we will almost definitely never see Sol 18000... huh.gif

-the other Doug


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elakdawalla
post Jan 29 2009, 03:45 AM
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Funny. Did anything untoward happen on sol 180?

By the way, the original release has been amended:
QUOTE
CORRECTION: In paragraph 3--Early Tuesday, Spirit reported that it had followed the commands, and in fact had located the sun, but not in its expected location.


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CosmicRocker
post Jan 29 2009, 06:06 AM
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QUOTE (alan @ Jan 26 2009, 12:16 AM) *
I see a couple more in the sol 1799 navcam subframes. The 2009 dustdevil season is underway. dd.gif ...
There is at least another to be seen in the sequence from sol 1803. These early vortices seem to be too far away to be helpful in the short term

It's difficult for me to imagine how "18" could be digitally significant. Still, it does appear to be an unusual coincidence. I don't like to see any kind of weird stuff going on in my personal computers, let alone those onboard any of my favorite Martians. cool.gif


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dvandorn
post Jan 29 2009, 06:38 AM
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QUOTE (elakdawalla @ Jan 28 2009, 09:45 PM) *
Funny. Did anything untoward happen on sol 180?

Not sure... let's see, Spirit arrived at the Columbia Hills on Sol 156, right? So this would be 24 sols later... right around then I think they were finishing up work on Pot'o'Gold and were planning a drive to the north face of Husband. Sounds about right, anyway.

Is there a sol-by-sol record that would give any details on Sol 180? (If I were awake enough, I'd figure 180 sols out from landing day and look at UMSF posts from the day... wink.gif )

-the other Doug


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jamescanvin
post Jan 29 2009, 08:42 AM
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Looks like everything went fine back at sol 180 smile.gif

QUOTE
Sol 180 marked a grand accomplishment for Spirit. The rover has survived two times the original planned mission duration of 90 sols. On this notable sol, the rover continued with remote sensing, performing miniature thermal emission spectrometer observations on disturbed soil and rover tracks. Spirit then looked at the targets "Cookie Cutter" and "Julienned" with the panoramic camera. Because of power and timing issues, Spirit was not able to complete intended microscopic imaging, Mössbauer spectrometer, and alpha particle X-ray spectrometer measurements at this site. These operations were moved into the sol 181 plan. Total odometry after sol 180 is 3414 meters (2.1 miles).


Although a hiccup meant sol 181 was wasted

QUOTE
Unfortunately, as Spirit began to execute the sol 181 plan, the onboard software predicted an instrument deployment device collision. This prevented further arm functions and the drive.


And that drive was to get to 'engineering flats' to try and fix the lubrication problem with the front-right wheel.

Now back to sol 1800


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djellison
post Jan 29 2009, 11:17 AM
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Maybe I've missed something - what does this have to do with Sol 180.
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jamescanvin
post Jan 29 2009, 11:41 AM
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Nothing.

Just investigating oDoug's thought, and Emily's follow-up, that Spirit has a problem with sols numbered 18 x 10^n (n = whole number) rolleyes.gif


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BrianL
post Jan 29 2009, 09:30 PM
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I'm wondering... Did we jinx Spirit by the topic subject? Perhaps changing it to a more neutral Post-WH3 Activities might remove the curse? unsure.gif wink.gif
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jamescanvin
post Jan 29 2009, 10:42 PM
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A couple of recent mosaics...

'Mustang': sol 1798



'Martian Chronicles': sols 1801 & 1804



Both images link to the same page.


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Stu
post Jan 30 2009, 06:48 AM
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Tearing up the place again...

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fredk
post Jan 30 2009, 02:42 PM
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A bit of an update from jpl:
QUOTE
UPDATED on Jan. 29: Spirit Working Well While Diagnostics Continue

Diagnostic activities performed by Spirit on Thursday, Jan. 29 narrowed the range of factors that may have contributed to its unexpected behavior earlier in the week. No clear explanation has been established yet. Spirit is healthy and responding to commands. It recorded and returned images of nearby scientific targets. The rover team plans further diagnostics on Friday of Spirit's inertial measurement unit -- a combined gyroscope-and-accelerometer device that measures rover movements and attitude. Spirit may resume driving over the weekend.
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Stu
post Jan 31 2009, 09:02 AM
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Think this shows really well just how poor Spirit's wheel is being dragged through the dirt...

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Of course the stuck wheel turned out to be a good thing, 'cos it exposed that luvverly silica-rich deposit, but still... can't help thinking "Awww...." sad.gif


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