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Opportunity Route Map
OWW
post Mar 6 2005, 09:19 AM
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Op drove again on sol 396. But who knows where? rolleyes.gif Still no sign of Vostok in the rearview mirror ( the front in this case smile.gif ). Vostok, The Phantom Crater...

http://qt.exploratorium.edu/mars/opportuni...D6P1315R0M1.JPG
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dot.dk
post Mar 6 2005, 09:45 AM
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Me thinks Vostok is a big cirkle of outcrop like the one to the right of Oppy in the picture above smile.gif


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Guest_Sunspot_*
post Mar 6 2005, 10:01 AM
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Are we sure thy're even heading for Vostok anymore wink.gif They have been known to change their plans. Surely something of that size would be visible by now.
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Pando
post Mar 6 2005, 06:20 PM
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Looks like they are using some of the no-drive days to free up the flash. A bunch of old images are being retrieved. They definately need room in the flash to perform longer autonav drives, especially on long stretches to the Etched Terrain, etc...
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OWW
post Mar 6 2005, 07:28 PM
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QUOTE (Pando @ Mar 6 2005, 06:20 PM)
They definately need room in the flash to perform longer autonav drives, especially on long stretches to the Etched Terrain, etc...

Why does it need flash to drive long distances? Does is store ALL the HazCam images or something? blink.gif
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Pando
post Mar 7 2005, 04:34 AM
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QUOTE (ObsessedWithWorlds @ Mar 6 2005, 12:28 PM)
QUOTE (Pando @ Mar 6 2005, 06:20 PM)
They definately need room in the flash to perform longer autonav drives, especially on long stretches to the Etched Terrain, etc...

Why does it need flash to drive long distances? Does is store ALL the HazCam images or something? blink.gif

Well, the autonav driving (as opposed to blind, directed drive) uses quite a bit of flash memory. The rover takes images of the terrain as it drives and creates terrain maps in memory which is then used to manuever the vehicle. There is also a need to store and transmit most of these images and terrain maps from the autonav sequence to the rover engineers for analysis.

That's one of the reasons they can't just push the "drive" button and let the rover go for the entire Sol. Blind drive can take it only as far as the rover drivers can see from the starting position. Then they have to use autonav, and that portion of the drive is limited to the flash memory allocated to the autonav.

If the flash storage limit is exceeded, it starts deleting older science data which has not yet been sent to Earth, and that is a big no-no (and it has happened in the past)...
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OWW
post Mar 7 2005, 08:46 AM
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Oppy went nowhere on sol 397. Strange, I hope nothing is broken.

Sol 396:
http://qt.exploratorium.edu:16080/mars/opp...D6P1315L0M1.JPG
Sol 397:
http://qt.exploratorium.edu:16080/mars/opp...00P1311L0M1.JPG

But some NavCam images came down. Vostok crater? :
http://qt.exploratorium.edu:16080/mars/opp...00P0683R0M1.JPG
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Guest_Sunspot_*
post Mar 7 2005, 09:44 AM
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Damn lol.......I was hoping when i got up and looked at the latest images this morning we would be at Vostok lol laugh.gif
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djellison
post Mar 7 2005, 10:12 AM
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At least we can see the thing now smile.gif

Doug
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Marslauncher
post Mar 7 2005, 01:36 PM
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doesnt look very exciting, I cant imagine they will spend much time here. move on and progress to Victoria! (or at least to the etched terrain)
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alan
post Mar 8 2005, 06:06 AM
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closer
http://qt.exploratorium.edu/mars/opportuni...00P1211L0M1.JPG
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Pando
post Mar 8 2005, 06:56 AM
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QUOTE
Oppy went nowhere on sol 397. Strange, I hope nothing is broken.


Well looks like Oppy actually went somewhere on Sol 398... and will also creep closer to Vostok on Sol 399. The delay may actually be due to a problem with one of the instruments...
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slinted
post Mar 8 2005, 07:37 AM
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If this is indeed Vostok, at least we know now why it has been so hard to see it from a distance:
http://qt.exploratorium.edu/mars/opportuni...00P0685L0M1.JPG
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OWW
post Mar 8 2005, 08:21 AM
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QUOTE (slinted @ Mar 8 2005, 07:37 AM)
If this is indeed Vostok, at least we know now why it has been so hard to see it from a distance:
http://qt.exploratorium.edu/mars/opportuni...00P0685L0M1.JPG

Spectacular! A 'freshly' exhumed crater! Not much to do though. What else can they do here than RAT one or two outcrop-rocks?
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OWW
post Mar 8 2005, 08:24 AM
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QUOTE (Pando @ Mar 8 2005, 06:56 AM)
QUOTE
Oppy went nowhere on sol 397. Strange, I hope nothing is broken.


Well looks like Oppy actually went somewhere on Sol 398... and will also creep closer to Vostok on Sol 399. The delay may actually be due to a problem with one of the instruments...

Why would a problem with an instrument cause a delay in driving? And when you say 'instrument', you mean one of the cameras? ( Nav, Haz, PanCam, MiniTES )? blink.gif
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